{"product_id":"lauryl-sulphate-broth","title":"Lauryl Sulphate Broth (LSB)","description":"\u003cbody\u003e\n\n\n  \u003cmeta charset=\"UTF-8\"\u003e\n  \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n  \u003ctitle\u003eLauryl Sulphate Broth (LSB) | Presumptive Coliform Detection Medium | AS-1266\u003c\/title\u003e\n  \u003cmeta name=\"description\" content=\"Lauryl Sulphate Broth (LSB) for presumptive detection of coliforms in water, dairy products, food, effluent, and sewage by MPN and routine microbiology workflows. Australian stock.\"\u003e\n\n\n\u003cdiv style=\"font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; color: #1d2935; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px;\" class=\"aus-product\"\u003e\n\n  \u003cdiv style=\"background: linear-gradient(135deg, #fff8e8 0%, #f5ead2 100%); border-radius: 18px; padding: 40px; margin-bottom: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); border: 1px solid #eadfbf; border-left: 8px solid #b7791f;\"\u003e\n    \u003cdiv style=\"display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start;\"\u003e\n      \u003cdiv\u003e\n        \u003cdiv style=\"display: inline-block; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: #b7791f; font-weight: bold; margin-bottom: 12px; background: #fff; padding: 6px 12px; border-radius: 20px; border: 1px solid #eadfbf;\"\u003eAuSaMicS Life Science • Water \u0026amp; Food Microbiology\u003c\/div\u003e\n        \u003ch1 style=\"color: #15324b; margin: 0 0 8px 0; font-size: 32px; font-weight: bold;\"\u003eLauryl Sulphate Broth (LSB)\u003c\/h1\u003e\n        \u003ch2 style=\"color: #5d4037; margin: 0 0 15px 0; font-weight: 400; font-size: 20px; opacity: 0.95;\"\u003eSelective Presumptive Medium for Detection of Coliform Bacteria\u003c\/h2\u003e\n        \u003cp style=\"font-size: 17px; margin: 0 0 20px 0; color: #4e342e; max-width: 700px; font-weight: 500;\"\u003eSelective enrichment broth for \u003cstrong\u003epresumptive coliform detection\u003c\/strong\u003e in water, dairy products, food, effluent, and sewage. Built around the classical lauryl sulfate tryptose system, LSB supports gas-forming coliform recovery while suppressing much of the accompanying non-coliform flora. \u003c\/p\u003e\n        \u003cdiv style=\"display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px;\"\u003e\n          \u003cspan style=\"background: #b7791f; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 700; white-space: nowrap;\"\u003eAS-1266\u003c\/span\u003e\n          \u003cspan style=\"background: #fff; border: 2px solid #b7791f; color: #b7791f; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🧫 Presumptive Coliform Medium\u003c\/span\u003e\n          \u003cspan style=\"background: #2d5a3d; color: #fff; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e✓ Water \u0026amp; Food Testing\u003c\/span\u003e\n          \u003cspan style=\"background: #c9a84c; color: #1a1a1a; padding: 8px 16px; border-radius: 25px; font-size: 13px; font-weight: 600; white-space: nowrap;\"\u003e🧪 MPN Ready\u003c\/span\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; color: #6d4c41;\"\u003e\n          \u003cspan\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e Coliform presumptive detection\u003c\/span\u003e\n          \u003cspan\u003e\u003cstrong\u003ePreparation:\u003c\/strong\u003e ~35.6–36.5 g\/L\u003c\/span\u003e\n          \u003cspan\u003e\u003cstrong\u003eReadout:\u003c\/strong\u003e Acid\/gas in Durham tube\u003c\/span\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background: #fff; padding: 25px; border-radius: 18px; box-shadow: 0 6px 20px rgba(0,0,0,0.10); min-width: 290px; border: 1px solid #eadfbf;\"\u003e\n        \u003ch4 style=\"color: #15324b; margin: 0 0 15px 0; text-align: center; font-size: 16px; font-weight: bold;\"\u003eColiform Detection Specialist\u003c\/h4\u003e\n        \u003cdiv style=\"font-size: 14px; color: #5d4037; text-align: center; line-height: 1.5;\"\u003e\n          \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eTryptose\u003c\/strong\u003e — rich nutrient support\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eLactose\u003c\/strong\u003e — fermentable substrate for gas production\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eLauryl Sulphate\u003c\/strong\u003e — suppresses accompanying microflora\u003c\/div\u003e\n          \u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003ePhosphate Buffer\u003c\/strong\u003e — maintains stable pH\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"margin-top: 20px; padding: 15px; background: #fffaf0; border-radius: 12px; text-align: center; border: 1px solid #f3e2bf;\"\u003e\n          \u003cdiv style=\"color: #b7791f; font-weight: 600; font-size: 14px;\"\u003eAPHA \/ ISO Use Pattern\u003c\/div\u003e\n          \u003cdiv style=\"color: #6d4c41; font-size: 13px; margin-top: 5px;\"\u003eWater, dairy, food \u0026amp; sewage\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; margin-bottom: 40px;\"\u003e\n    \u003cdiv\u003e\n\n      \u003cdiv style=\"margin-bottom: 35px;\"\u003e\n        \u003ch3 style=\"color: #15324b; font-size: 22px; margin: 0 0 15px 0; padding-bottom: 10px; border-bottom: 3px solid #b7791f;\"\u003eOverview\u003c\/h3\u003e\n        \u003cdiv style=\"background: #fff; padding: 22px; border-radius: 16px; border: 1px solid #eadfbf;\"\u003e\n          \u003cp style=\"margin:0 0 14px 0;\"\u003eLauryl Sulphate Broth (LSB), also widely known as Lauryl Tryptose Broth, is a selective liquid medium used for the presumptive detection of coliform bacteria in water, effluent, sewage, dairy products, and other food samples. It is routinely used in multiple-tube fermentation and Most Probable Number (MPN) workflows where gas formation from lactose serves as a primary indicator of presumptive coliform presence.\u003c\/p\u003e\n          \u003cp style=\"margin:0 0 14px 0;\"\u003eThe medium was developed to provide rich growth and substantial gas production from even small inocula of coliform organisms while inhibiting much of the accompanying non-coliform flora through sodium lauryl sulphate. This balance makes it valuable as a frontline screening medium before confirmatory testing. citeturn521074search0turn521074search1\u003c\/p\u003e\n          \u003cp style=\"margin:0;\"\u003eLSB remains a routine laboratory medium in water and food microbiology because it combines practical selectivity, straightforward interpretation, and compatibility with standardized coliform testing workflows. It is commonly associated with APHA-type procedures and ISO coliform detection contexts. citeturn521074search0turn521074search1\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#15324b; font-size:22px; margin:0 0 15px 0; padding-bottom:10px; border-bottom:3px solid #b7791f;\"\u003ePrinciple of the Medium\u003c\/h3\u003e\n        \u003cdiv style=\"background:#fffaf0; padding:20px; border-radius:16px; border-left:5px solid #b7791f;\"\u003e\n          \u003cp style=\"margin:0 0 12px 0; font-size:14px;\"\u003eLSB contains tryptose as a source of nitrogen, amino acids, vitamins, and growth-supporting nutrients; lactose as the fermentable carbohydrate; phosphate salts for buffering; sodium chloride for osmotic balance; and sodium lauryl sulphate as the key selective agent. citeturn521074search1turn521074search3\u003c\/p\u003e\n          \u003cp style=\"margin:0 0 12px 0; font-size:14px;\"\u003eColiform bacteria ferment lactose with production of acid and gas within the expected incubation period, and gas captured in a Durham tube provides the classical presumptive positive signal. Sodium lauryl sulphate improves selectivity by inhibiting much of the accompanying non-coliform flora, particularly Gram-positive organisms. citeturn521074search0turn521074search1\u003c\/p\u003e\n          \u003cp style=\"margin:0; font-size:14px;\"\u003eThis makes LSB especially useful as the first-stage presumptive broth before confirmatory or differential coliform tests.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#15324b; font-size:22px; margin:0 0 15px 0; padding-bottom:10px; border-bottom:3px solid #2d5a3d;\"\u003eApplications\u003c\/h3\u003e\n        \u003cdiv style=\"background:#f4fbf6; padding:20px; border-radius:16px; border-left:5px solid #2d5a3d;\"\u003e\n          \u003cul style=\"margin:0; padding-left:20px;\"\u003e\n            \u003cli\u003ePresumptive detection of coliforms in water, effluent, and sewage by MPN methods\u003c\/li\u003e\n            \u003cli\u003eRoutine water microbiology and sanitary quality assessment workflows\u003c\/li\u003e\n            \u003cli\u003eDetection of coliform bacteria in dairy products and food samples\u003c\/li\u003e\n            \u003cli\u003ePresumptive test step before confirmatory coliform or \u003cem\u003eE. coli\u003c\/em\u003e procedures\u003c\/li\u003e\n            \u003cli\u003eGeneral laboratory use in APHA- and ISO-associated coliform testing contexts\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#15324b; font-size:22px; margin:0 0 15px 0; padding-bottom:10px; border-bottom:3px solid #b7791f;\"\u003eComplete Formulation \u0026amp; Functional Profile\u003c\/h3\u003e\n        \u003cdiv style=\"background:#fffaf0; padding:20px; border-radius:16px; border-left:5px solid #b7791f; margin-bottom:20px;\"\u003e\n          \u003ch4 style=\"color:#15324b; margin:0 0 15px 0; font-size:16px;\"\u003eTypical Composition (per Liter)\u003c\/h4\u003e\n          \u003cdiv style=\"overflow-x:auto;\"\u003e\n            \u003ctable style=\"width:100%; border-collapse:collapse; font-size:13px; border:1px solid #eadfbf;\"\u003e\n              \u003cthead style=\"background:#f8ecd1;\"\u003e\n                \u003ctr\u003e\n                  \u003cth style=\"padding:12px; text-align:left;\"\u003eIngredient\u003c\/th\u003e\n                  \u003cth style=\"padding:12px; text-align:left;\"\u003eConcentration\u003c\/th\u003e\n                  \u003cth style=\"padding:12px; text-align:left;\"\u003eFunction\u003c\/th\u003e\n                  \u003cth style=\"padding:12px; text-align:left;\"\u003eTechnical Role\u003c\/th\u003e\n                \u003c\/tr\u003e\n              \u003c\/thead\u003e\n              \u003ctbody\u003e\n                \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003eTryptose\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e20.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eNutrient support\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSource of carbon, nitrogen, vitamins, and amino acids\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003eLactose\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e5.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eFermentable carbohydrate\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSupports acid and gas production by coliforms\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003eSodium chloride\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e5.0 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eOsmotic balance\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eMaintains suitable growth conditions\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003eSodium lauryl sulphate\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e0.1 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSelective inhibitor\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eSuppresses accompanying non-coliform flora\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003eDipotassium hydrogen phosphate\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e2.75 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eBuffer component\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eMaintains pH stability\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                  \u003ctd style=\"padding:10px; font-weight:600;\"\u003ePotassium dihydrogen phosphate\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003e2.75 g\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eBuffer component\u003c\/td\u003e\n                  \u003ctd style=\"padding:10px;\"\u003eCompletes phosphate buffering system\u003c\/td\u003e\n                \u003c\/tr\u003e\n              \u003c\/tbody\u003e\n            \u003c\/table\u003e\n          \u003c\/div\u003e\n          \u003cp style=\"margin:12px 0 0 0; font-size:13px; color:#5d4037;\"\u003eTypical preparation falls around 35.6–36.5 g\/L with final pH about 6.8 ± 0.2 at 25 °C. citeturn521074search1turn521074search3\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv style=\"background:#fff; padding:20px; border-radius:16px; border:1px solid #eadfbf;\"\u003e\n          \u003ch4 style=\"color:#15324b; margin:0 0 15px 0; font-size:16px;\"\u003eInterpretation Logic\u003c\/h4\u003e\n          \u003cdiv style=\"display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap:15px;\"\u003e\n            \u003cdiv style=\"background:#f4fbf6; padding:15px; border-radius:12px; border-left:4px solid #2d5a3d;\"\u003e\n              \u003cstrong style=\"color:#2d5a3d;\"\u003eRich Nutrient Support\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eEncourages growth and fermentation from small coliform inocula.\u003c\/span\u003e\n            \u003c\/div\u003e\n            \u003cdiv style=\"background:#fff9e6; padding:15px; border-radius:12px; border-left:4px solid #c9a84c;\"\u003e\n              \u003cstrong style=\"color:#c9a84c;\"\u003eGas-Based Presumptive Readout\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eGas in Durham tube supports presumptive positive interpretation.\u003c\/span\u003e\n            \u003c\/div\u003e\n            \u003cdiv style=\"background:#eef7ff; padding:15px; border-radius:12px; border-left:4px solid #1d6fb8;\"\u003e\n              \u003cstrong style=\"color:#1d6fb8;\"\u003eSelective Suppression\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eLauryl sulphate helps reduce interference from accompanying flora.\u003c\/span\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n          \u003cdiv style=\"background:#fffaf0; padding:15px; border-radius:10px; margin-top:15px; border:1px solid #f3e2bf;\"\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003ePractical Note:\u003c\/strong\u003e Gas production is the core presumptive signal, but confirmatory testing remains important depending on the method in use.\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#15324b; font-size:22px; margin:0 0 20px 0; padding-bottom:10px; border-bottom:3px solid #b7791f;\"\u003eColiform Workflow Comparison\u003c\/h3\u003e\n        \u003cdiv style=\"overflow-x:auto;\"\u003e\n          \u003ctable style=\"width:100%; border-collapse:collapse; font-size:13px; border:1px solid #eadfbf;\"\u003e\n            \u003cthead style=\"background:#15324b; color:#fff;\"\u003e\n              \u003ctr\u003e\n                \u003cth style=\"padding:12px; text-align:left;\"\u003eMedium\u003c\/th\u003e\n                \u003cth style=\"padding:12px; text-align:left;\"\u003ePrimary Role\u003c\/th\u003e\n                \u003cth style=\"padding:12px; text-align:left;\"\u003eStrength\u003c\/th\u003e\n                \u003cth style=\"padding:12px; text-align:left;\"\u003eLimitation\u003c\/th\u003e\n                \u003cth style=\"padding:12px; text-align:left;\"\u003eBest Use\u003c\/th\u003e\n              \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n              \u003ctr style=\"background:#fffaf0; border-bottom:1px solid #eadfbf;\"\u003e\n                \u003ctd style=\"padding:10px; font-weight:bold; color:#b7791f;\"\u003eLauryl Sulphate Broth (LSB)\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003ePresumptive coliform detection\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eStrong routine fit for MPN and Durham tube workflows\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eUsually requires confirmatory follow-up\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eWater, dairy, food, sewage, effluent testing\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                \u003ctd style=\"padding:10px;\"\u003eLactose Broth\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eAlternative presumptive medium\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eSimple and established\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eLess selective than LSB\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eTraditional presumptive methods\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n                \u003ctd style=\"padding:10px;\"\u003eBrilliant Green Bile Broth\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eConfirmatory coliform test\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eHigher selectivity in confirmatory stage\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eNot ideal as first presumptive broth\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eConfirmation workflows\u003c\/td\u003e\n              \u003c\/tr\u003e\n              \u003ctr\u003e\n                \u003ctd style=\"padding:10px;\"\u003eM-Endo \/ membrane filter systems\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eMembrane filtration and plating\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eDirect colony recovery after enrichment or filtration\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eDifferent workflow from tube fermentation\u003c\/td\u003e\n                \u003ctd style=\"padding:10px;\"\u003eMembrane filter coliform methods\u003c\/td\u003e\n              \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n          \u003c\/table\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"margin-bottom:35px;\"\u003e\n        \u003ch3 style=\"color:#15324b; font-size:22px; margin:0 0 20px 0; padding-bottom:10px; border-bottom:3px solid #b7791f;\"\u003eSelection Guide\u003c\/h3\u003e\n        \u003cdiv style=\"display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:15px;\"\u003e\n          \u003cdiv style=\"background:#fffaf0; padding:18px; border-radius:14px; border:1px solid #f3e2bf;\"\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003eChoose LSB if:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan style=\"font-size:14px;\"\u003e• You need a classical presumptive coliform broth\u003cbr\u003e• MPN testing with Durham tubes is part of the workflow\u003cbr\u003e• Water, dairy, or food screening is the goal\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv style=\"background:#f4fbf6; padding:18px; border-radius:14px; border:1px solid #cfe7d6;\"\u003e\n            \u003cstrong style=\"color:#2d5a3d;\"\u003eChoose a confirmatory broth if:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan style=\"font-size:14px;\"\u003e• Presumptive positives already exist\u003cbr\u003e• Greater selectivity is required in the next stage\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv style=\"background:#eef7ff; padding:18px; border-radius:14px; border:1px solid #cfe0f5;\"\u003e\n            \u003cstrong style=\"color:#1d6fb8;\"\u003eChoose a membrane method if:\u003c\/strong\u003e\u003cbr\u003e\n            \u003cspan style=\"font-size:14px;\"\u003e• Your laboratory uses filtration-based workflows rather than multiple-tube fermentation\u003c\/span\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background: linear-gradient(135deg, #fff8e8 0%, #f5ead2 100%); padding: 20px; border-radius: 16px; border-left: 5px solid #b7791f;\"\u003e\n        \u003ch4 style=\"color: #15324b; margin: 0 0 15px 0; font-size: 16px;\"\u003eQuality Positioning \u0026amp; Workflow Value\u003c\/h4\u003e\n        \u003cdiv style=\"display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap:15px;\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003eTypical Use:\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003ePresumptive detection of gas-forming coliforms\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003eReadout System:\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eGas production in Durham tubes\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003eCommercial Position:\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eCore routine medium for sanitary monitoring labs\u003c\/span\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\n            \u003cstrong style=\"color:#b7791f;\"\u003eWorkflow Fit:\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px; color:#5d4037;\"\u003eWater, dairy, sewage, effluent, and food testing\u003c\/span\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"background: rgba(255,255,255,0.7); padding: 15px; border-radius: 10px; margin-top: 15px; border: 1px solid #f3e2bf;\"\u003e\n          \u003cstrong style=\"color:#b7791f;\"\u003eCommercial Positioning:\u003c\/strong\u003e A high-utility staple medium for routine coliform screening where consistency, clarity of interpretation, and method compatibility matter most.\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv\u003e\n\n      \u003cdiv style=\"background:#fff; padding:25px; border-radius:18px; border:1px solid #eadfbf; box-shadow:0 4px 12px rgba(0,0,0,0.08); margin-bottom:30px;\"\u003e\n        \u003ch3 style=\"color:#15324b; margin:0 0 20px 0; font-size:18px; text-align:center;\"\u003eTechnical Specifications\u003c\/h3\u003e\n        \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n          \u003ctbody\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eCat. No.\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eAS-1266\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eMedium Type\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eSelective presumptive broth\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eReconstitution\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eApprox. 35.6–36.5 g\/L\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eFinal pH\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003e6.8 ± 0.2 at 25 °C\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eAppearance\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eClear yellowish-brown prepared broth\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eInterpretation\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eGas formation in Durham tube\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eSterilization\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003e121 °C for 15 minutes\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eIncubation\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003eTypically 35–37 °C for up to 48 hours\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd style=\"padding:12px 8px; font-weight:600; background:#fffaf0;\"\u003eHS Code\u003c\/td\u003e\n              \u003ctd style=\"padding:12px 8px;\"\u003e3821.00.00\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#b7791f; padding:25px; border-radius:18px; color:#fff; margin-bottom:30px;\"\u003e\n        \u003ch4 style=\"color:#fff8e8; margin:0 0 15px 0; font-size:16px; text-align:center;\"\u003ePreparation Protocol\u003c\/h4\u003e\n        \u003col style=\"list-style:none; padding:0; margin:0;\"\u003e\n          \u003cli style=\"padding:8px 0; font-size:14px; position:relative; padding-left:35px;\"\u003e\n            \u003cspan style=\"position:absolute; left:0; top:8px; background:#fff; color:#b7791f; width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:bold;\"\u003e1\u003c\/span\u003e\n            Suspend the required amount of dehydrated medium in purified water.\n          \u003c\/li\u003e\n          \u003cli style=\"padding:8px 0; font-size:14px; position:relative; padding-left:35px;\"\u003e\n            \u003cspan style=\"position:absolute; left:0; top:8px; background:#fff; color:#b7791f; width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:bold;\"\u003e2\u003c\/span\u003e\n            Dispense into test tubes fitted with Durham tubes.\n          \u003c\/li\u003e\n          \u003cli style=\"padding:8px 0; font-size:14px; position:relative; padding-left:35px;\"\u003e\n            \u003cspan style=\"position:absolute; left:0; top:8px; background:#fff; color:#b7791f; width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:bold;\"\u003e3\u003c\/span\u003e\n            Sterilize at \u003cstrong\u003e121 °C for 15 minutes\u003c\/strong\u003e.\n          \u003c\/li\u003e\n          \u003cli style=\"padding:8px 0; font-size:14px; position:relative; padding-left:35px;\"\u003e\n            \u003cspan style=\"position:absolute; left:0; top:8px; background:#fff; color:#b7791f; width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:bold;\"\u003e4\u003c\/span\u003e\n            Inoculate according to the validated test method and observe gas formation after incubation. citeturn521074search1turn521074search3\n          \u003c\/li\u003e\n        \u003c\/ol\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff; padding:25px; border-radius:18px; border:1px solid #eadfbf; box-shadow:0 4px 12px rgba(0,0,0,0.08); margin-bottom:30px;\"\u003e\n        \u003ch3 style=\"color:#15324b; margin:0 0 16px 0; font-size:18px; text-align:center;\"\u003ePack Sizes \u0026amp; Suggested Pricing\u003c\/h3\u003e\n        \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n          \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:600;\"\u003e100 g\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAUD 36\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:600;\"\u003e250 g\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAUD 72\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr style=\"border-bottom:1px solid #eadfbf; background:#fffaf0;\"\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:700; color:#b7791f;\"\u003e500 g\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:700; color:#b7791f;\"\u003eAUD 118\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr style=\"border-bottom:1px solid #eadfbf;\"\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:600;\"\u003e1 kg\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAUD 198\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd style=\"padding:10px 8px; font-weight:600;\"\u003e5 kg\u003c\/td\u003e\n\u003ctd style=\"padding:10px 8px;\"\u003eAUD 760\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff; padding:20px; border-radius:16px; border:1px solid #eadfbf; margin-bottom:30px;\"\u003e\n        \u003ch4 style=\"color:#15324b; margin:0 0 15px 0; font-size:16px; text-align:center;\"\u003eQuality \u0026amp; Standards\u003c\/h4\u003e\n        \u003cul style=\"margin:0; padding-left:18px; font-size:14px;\"\u003e\n          \u003cli\u003eUsed in APHA-type and ISO-associated coliform detection workflows\u003c\/li\u003e\n          \u003cli\u003eSuitable for routine and regulatory water\/food microbiology programs\u003c\/li\u003e\n          \u003cli\u003eBatch consistency supported by controlled manufacturing\u003c\/li\u003e\n          \u003cli\u003eCOA and TDS can be supplied according to product configuration\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff; padding:20px; border-radius:16px; border:1px solid #eadfbf;\"\u003e\n        \u003ch4 style=\"color:#15324b; margin:0 0 15px 0; font-size:16px; text-align:center;\"\u003eRelated Products\u003c\/h4\u003e\n        \u003cul style=\"margin:0; padding-left:18px; font-size:14px;\"\u003e\n          \u003cli\u003eLactose Broth\u003c\/li\u003e\n          \u003cli\u003eBrilliant Green Bile Broth\u003c\/li\u003e\n          \u003cli\u003eM-Endo Agar LES\u003c\/li\u003e\n          \u003cli\u003eMembrane filtration coliform workflow media\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background:#15324b; color:#fff; border-radius:18px; padding:28px; margin-top:20px;\"\u003e\n    \u003cdiv style=\"display:grid; grid-template-columns:1.4fr 0.8fr; gap:24px;\"\u003e\n      \u003cdiv\u003e\n        \u003ch3 style=\"margin:0 0 12px 0; font-size:22px;\"\u003eAuSaMicS Compliance \u0026amp; Supply Notes\u003c\/h3\u003e\n        \u003cp style=\"margin:0 0 10px 0; font-size:15px; color:#e9d8b6;\"\u003eSupplied for laboratory and research workflows. Batch-specific documentation may include Certificate of Analysis, Technical Data Sheet, and Safety Data Sheet depending on customer requirements.\u003c\/p\u003e\n        \u003cp style=\"margin:0; font-size:14px; color:#e9d8b6;\"\u003e\u003cstrong\u003eFor laboratory and research use only.\u003c\/strong\u003e Not for household, therapeutic, or pharmaceutical applications.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.15); border-radius:14px; padding:18px;\"\u003e\n        \u003cdiv style=\"font-size:14px; margin-bottom:8px;\"\u003e\u003cstrong\u003eAuSaMicS Pty Ltd\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv style=\"font-size:14px; margin-bottom:4px;\"\u003e31 Longview CT, Thomastown, VIC 3074, Australia\u003c\/div\u003e\n        \u003cdiv style=\"font-size:14px; margin-bottom:4px;\"\u003eABN 56676640467\u003c\/div\u003e\n        \u003cdiv style=\"font-size:14px; margin-bottom:4px;\"\u003ewww.ausamics.com.au\u003c\/div\u003e\n        \u003cdiv style=\"font-size:14px; margin-bottom:4px;\"\u003esupport@ausamics.com\u003c\/div\u003e\n        \u003cdiv style=\"font-size:14px;\"\u003e+61 412 520 598\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003c\/body\u003e","brand":"Ausamics Life Science","offers":[{"title":"500 g","offer_id":48391073005823,"sku":"AS-1266-500G","price":87.0,"currency_code":"AUD","in_stock":true},{"title":"2 kg","offer_id":48391073038591,"sku":"AS-1266-2KG","price":307.0,"currency_code":"AUD","in_stock":true},{"title":"5 kg","offer_id":48391073071359,"sku":"AS-1266-5KG","price":975.0,"currency_code":"AUD","in_stock":true},{"title":"10 kg","offer_id":48391073104127,"sku":"AS-1266-10KG","price":1650.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/Lauryl_Sulphate_Broth_LSB.jpg?v=1776036964","url":"https:\/\/ausamics.com.au\/products\/lauryl-sulphate-broth","provider":"AuSaMicS","version":"1.0","type":"link"}