{"product_id":"presence-absence-broth","title":"Presence-Absence Broth (PA Broth) (AS-1334) – Medium for Coliform Detection in Water","description":"\u003c!-- ============================================================\n     AuSaMicS — Presence-Absence (P-A) Broth (AS-1334)\n     Shopify HTML Embed — CSS-only 4 tabs\n     Paste into Shopify product page → Custom HTML block\n     ============================================================ --\u003e\n\u003cstyle\u003e\n.aus-wrap{font-family:Arial,sans-serif;color:#1f2937;line-height:1.65;max-width:100%;}\n.aus-wrap *{box-sizing:border-box;}\n.aus-wrap input[type=radio]{display:none;}\n.aus-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:2px solid #1A4731;margin-bottom:0;}\n.aus-tabs label{padding:10px 20px;font-size:14px;font-weight:600;color:#2D6A4F;cursor:pointer;border:1px solid transparent;border-bottom:none;border-radius:6px 6px 0 0;background:#f9fafb;margin-bottom:-2px;transition:all .15s;}\n.aus-tabs label:hover{background:#f0f7f4;color:#1A4731;}\n#t1334pd:checked~.aus-tabs label[for=t1334pd],\n#t1334tds:checked~.aus-tabs label[for=t1334tds],\n#t1334sds:checked~.aus-tabs label[for=t1334sds],\n#t1334coa:checked~.aus-tabs label[for=t1334coa]{background:#1A4731;color:#fff;border-color:#1A4731;}\n.aus-panel{display:none;padding:24px;border:1px solid #e5e7eb;border-top:none;border-radius:0 0 8px 8px;background:#fff;}\n#t1334pd:checked~.aus-panels #p1334pd,\n#t1334tds:checked~.aus-panels #p1334tds,\n#t1334sds:checked~.aus-panels #p1334sds,\n#t1334coa:checked~.aus-panels #p1334coa{display:block;}\n.aus-sh{background:#1A4731;color:#fff;font-size:15px;font-weight:700;padding:8px 14px;border-radius:4px;margin:20px 0 10px;}\n.aus-sh:first-child{margin-top:0;}\n.aus-kv{width:100%;border-collapse:collapse;margin-bottom:14px;font-size:14px;}\n.aus-kv td{padding:8px 10px;border-bottom:1px solid #e5e7eb;}\n.aus-kv td:first-child{font-weight:600;width:38%;color:#1A4731;}\n.aus-dt{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:14px;}\n.aus-dt th{background:#EBEBEB;font-weight:700;padding:8px 10px;border:1px solid #ccc;text-align:left;}\n.aus-dt td{padding:8px 10px;border:1px solid #ccc;vertical-align:top;}\n.aus-ul{padding-left:20px;margin:0 0 12px;font-size:14px;}\n.aus-ul li{margin-bottom:5px;}\n.aus-ol{padding-left:20px;margin:0 0 12px;font-size:14px;}\n.aus-ol li{margin-bottom:6px;}\n.aus-card{background:#f0f7f4;border:1px solid #c3ddd2;border-radius:6px;padding:14px 16px;margin-bottom:14px;font-size:14px;}\n.aus-warn{background:#FFF8E1;border-left:4px solid #C9A84C;border-radius:0 4px 4px 0;padding:12px 16px;margin-bottom:14px;font-size:13px;color:#5D4037;font-weight:500;}\n.aus-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}\n.aus-badge{font-size:12px;font-weight:600;padding:4px 12px;border-radius:99px;border:1.5px solid #1A4731;color:#1A4731;}\n.aus-badge.fill{background:#1A4731;color:#fff;}\n.aus-badge.red{background:#C0392B;color:#fff;border-color:#C0392B;}\n.aus-dl{display:inline-block;margin-top:10px;padding:9px 18px;background:#2D6A4F;color:#fff;border-radius:5px;font-size:13px;font-weight:600;text-decoration:none;}\n.aus-dl:hover{background:#1A4731;}\n.aus-dl.ol{background:#fff;color:#2D6A4F;border:1.5px solid #2D6A4F;}\n.aus-dl.ol:hover{background:#f0f7f4;}\n.aus-dl-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}\n.aus-disc{font-size:12px;color:#888;font-style:italic;border:1px solid #e5e7eb;border-radius:4px;padding:10px 14px;margin-top:20px;line-height:1.6;}\n.pass{color:#1E7E34;font-weight:700;}\n.pos{display:inline-block;background:#C0392B;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:3px;}\n.neg{display:inline-block;background:#1E7E34;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:3px;}\n.sus{display:inline-block;background:#E67E22;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:3px;}\n.pending{color:#aaa;}\np.aus-p{font-size:14px;margin:0 0 10px;line-height:1.65;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"aus-wrap\"\u003e\n\u003cinput type=\"radio\" id=\"t1334pd\" name=\"aus1334\" checked\u003e\n\u003cinput type=\"radio\" id=\"t1334tds\" name=\"aus1334\"\u003e\n\u003cinput type=\"radio\" id=\"t1334sds\" name=\"aus1334\"\u003e\n\u003cinput type=\"radio\" id=\"t1334coa\" name=\"aus1334\"\u003e\n\n\u003cdiv class=\"aus-tabs\"\u003e\n  \u003clabel for=\"t1334pd\"\u003eProduct Description\u003c\/label\u003e\n  \u003clabel for=\"t1334tds\"\u003eTechnical Data Sheet\u003c\/label\u003e\n  \u003clabel for=\"t1334sds\"\u003eSafety Data Sheet\u003c\/label\u003e\n  \u003clabel for=\"t1334coa\"\u003eCertificate of Analysis\u003c\/label\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"aus-panels\"\u003e\n\n  \u003c!-- ══════════ TAB 1: PD ══════════ --\u003e\n  \u003cdiv class=\"aus-panel\" id=\"p1334pd\"\u003e\n    \u003cdiv class=\"aus-card\"\u003e\n      \u003cstrong style=\"font-size:18px;color:#1A4731;\"\u003ePresence-Absence (P-A) Broth\u003c\/strong\u003e\u003cbr\u003e\n      \u003cspan style=\"color:#555;font-size:14px;\"\u003eDouble-Strength Differential Broth for Presumptive Coliform Detection in Drinking Water\u003c\/span\u003e\u003cbr\u003e\n      \u003cspan style=\"font-size:13px;margin-top:4px;display:block;\"\u003e\u003cstrong\u003eCatalogue No:\u003c\/strong\u003e AS-1334\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-warn\"\u003e\n      FOR LABORATORY USE ONLY — Drinking-water microbiology only. This is a presumptive test — all positive results must be confirmed by approved subculture procedures.\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-badges\"\u003e\n      \u003cspan class=\"aus-badge\"\u003eColiform Detection\u003c\/span\u003e\n      \u003cspan class=\"aus-badge\"\u003eUS EPA 40 CFR 141.21\u003c\/span\u003e\n      \u003cspan class=\"aus-badge\"\u003eAPHA 9221 B\u003c\/span\u003e\n      \u003cspan class=\"aus-badge\"\u003eDouble-Strength\u003c\/span\u003e\n      \u003cspan class=\"aus-badge fill\"\u003eAustralian Made\u003c\/span\u003e\n      \u003cspan class=\"aus-badge\"\u003eQC Certified\u003c\/span\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eOverview\u003c\/div\u003e\n    \u003cp class=\"aus-p\"\u003ePresence-Absence (P-A) Broth is the simplest and most widely accepted single-tube method for the presumptive detection of total coliforms and \u003cem\u003eEscherichia coli\u003c\/em\u003e in 100 mL drinking water samples. Approved under US EPA 40 CFR 141.21 and recognised as an alternative procedure in APHA Standard Methods 9221 B.\u003c\/p\u003e\n    \u003cp class=\"aus-p\"\u003eThe medium is formulated at double strength (71.82 g\/L) so that when combined with 100 mL of water sample, it achieves single-strength working concentrations. Lactose fermentation produces acid (yellow colour) and gas (Durham tube). Sodium lauryl sulfate suppresses non-coliforms and Gram-positive organisms.\u003c\/p\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eComposition (per litre — double-strength stock)\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eIngredient\u003c\/th\u003e\n\u003cth\u003eAmount (g\/L)\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTryptose \/ Lactose Broth base\u003c\/td\u003e\n\u003ctd\u003e35.6\u003c\/td\u003e\n\u003ctd\u003eNitrogen and carbon source\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eLactose\u003c\/td\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003ctd\u003eFermentable substrate → acid + gas by coliforms\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSodium Chloride\u003c\/td\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003ctd\u003eOsmotic balance\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDipotassium Phosphate (K₂HPO₄)\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003eAlkaline buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMonopotassium Phosphate (KH₂PO₄)\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003eAcidic buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSodium Lauryl Sulfate\u003c\/td\u003e\n\u003ctd\u003e0.2\u003c\/td\u003e\n\u003ctd\u003eSelective inhibitor of Gram-positives and non-coliforms\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBromocresol Purple\u003c\/td\u003e\n\u003ctd\u003e0.02\u003c\/td\u003e\n\u003ctd\u003epH indicator: purple (negative) → yellow (positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eFinal pH (prepared)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6.8 ± 0.2 at 25 °C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eKey Features\u003c\/div\u003e\n    \u003cul class=\"aus-ul\"\u003e\n      \u003cli\u003eSingle-tube 100 mL presence\/absence test — simple pass\/fail result, no enumeration required\u003c\/li\u003e\n      \u003cli\u003eDouble-strength (71.82 g\/L) — diluted 1:1 with water sample to achieve single-strength\u003c\/li\u003e\n      \u003cli\u003eBromocresol purple indicator — purple (negative) → yellow (positive acid)\u003c\/li\u003e\n      \u003cli\u003eDurham tube gas detection — ≥10% fill signals coliform fermentation\u003c\/li\u003e\n      \u003cli\u003eUS EPA 40 CFR 141.21 approved for drinking-water regulatory compliance\u003c\/li\u003e\n      \u003cli\u003eAPHA Standard Methods 9221 B — recognised alternative to MPN multi-tube method\u003c\/li\u003e\n      \u003cli\u003eField-adaptable — ideal for small labs, remote sites, and routine monitoring\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003ePreparation\u003c\/div\u003e\n    \u003cp style=\"font-size:13px;font-weight:600;color:#1A4731;margin:0 0 6px;\"\u003eStep 1 — Double-strength stock:\u003c\/p\u003e\n    \u003col class=\"aus-ol\"\u003e\n      \u003cli\u003eDissolve 71.82 g in 1 litre of purified water with agitation.\u003c\/li\u003e\n      \u003cli\u003ePlace an inverted Durham tube in each 200–250 mL wide-mouth reagent bottle.\u003c\/li\u003e\n      \u003cli\u003eDispense 100 mL double-strength broth per bottle. Ensure Durham tube is fully submerged.\u003c\/li\u003e\n      \u003cli\u003eAutoclave at 121 °C for exactly 12 minutes — do NOT exceed 12 minutes.\u003c\/li\u003e\n      \u003cli\u003eCool and inspect: broth should be clear and purple; Durham tube free of air bubbles.\u003c\/li\u003e\n      \u003cli\u003eStore at 2–8 °C protected from light. Use within 3 months.\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \u003cp style=\"font-size:13px;font-weight:600;color:#1A4731;margin:10px 0 6px;\"\u003eStep 2 — Test procedure:\u003c\/p\u003e\n    \u003col class=\"aus-ol\"\u003e\n      \u003cli\u003eNeutralise residual chlorine: add 0.1 mL of 3% sodium thiosulfate per 100 mL before collection.\u003c\/li\u003e\n      \u003cli\u003eAseptically add 100 mL of water sample to one prepared bottle.\u003c\/li\u003e\n      \u003cli\u003eIncubate at 35 ± 0.5 °C. Read at 24 h and 48 h.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eResult Interpretation\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eObservation at 24–48 h\u003c\/th\u003e\n\u003cth\u003eResult\u003c\/th\u003e\n\u003cth\u003eAction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTurbidity + yellow colour + gas (≥10% Durham tube)\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pos\"\u003ePOSITIVE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirm by EC-MUG or BGB + indole (APHA 9221 F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTurbidity + yellow colour (no gas)\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"pos\"\u003ePOSITIVE (presumptive)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eProceed to confirmatory subculture\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eClear broth, purple colour, no gas\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"neg\"\u003eNEGATIVE\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eRecord as absent in 100 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTurbidity only; no colour change\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"sus\"\u003eSUSPECT\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eSubculture and investigate\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eStorage\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDehydrated powder\u003c\/td\u003e\n\u003ctd\u003e15–30 °C, tightly sealed, dry\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePrepared bottles\u003c\/td\u003e\n\u003ctd\u003e2–8 °C, protected from light, use within 3 months\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eShelf life (powder)\u003c\/td\u003e\n\u003ctd\u003eAs per labelled expiry date (typically 3 years)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDo not use if\u003c\/td\u003e\n\u003ctd\u003eTurbidity or colour change present before sample addition\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cp\u003e📖 \u003ca href=\"https:\/\/ausamics.com.au\/blogs\/lab-guides\/presence-absence-testing-for-drinking-water-a-practical-guide-to-the-p-a-broth-method\" style=\"color:#2D6A4F;font-weight:600;text-decoration:underline;\"\u003ePresence-Absence Testing for Drinking Water: A Practical Guide →\u003c\/a\u003e\u003c\/p\u003e\n\n    \u003cdiv class=\"aus-dl-row\"\u003e\n      \u003ca class=\"aus-dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AS-1334_PA_Broth_PD.pdf\" target=\"_blank\"\u003eDownload Product Description (PDF)\u003c\/a\u003e\n      \u003ca class=\"aus-dl ol\" href=\"mailto:support@ausamics.com.au?subject=PD%20Request%20AS-1334\"\u003eRequest via Email\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"aus-disc\"\u003eFor laboratory use only — drinking-water microbiology only. Not for human consumption, therapeutic use, or veterinary applications. AuSaMicS Pty Ltd | ABN 56 676 640 467 | www.ausamics.com.au\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ══════════ TAB 2: TDS ══════════ --\u003e\n  \u003cdiv class=\"aus-panel\" id=\"p1334tds\"\u003e\n    \u003cdiv class=\"aus-sh\"\u003eProduct Identification\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePresence-Absence (P-A) Broth\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCatalogue Number\u003c\/td\u003e\n\u003ctd\u003eAS-1334\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e3821.00.00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMedium Type\u003c\/td\u003e\n\u003ctd\u003eDouble-strength differential presumptive coliform detection broth\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePhysical Form\u003c\/td\u003e\n\u003ctd\u003eDehydrated powder\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eColour (powder)\u003c\/td\u003e\n\u003ctd\u003eCream to pale beige\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eColour (prepared)\u003c\/td\u003e\n\u003ctd\u003ePurple (bromocresol purple, pre-inoculation)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRegulatory Approval\u003c\/td\u003e\n\u003ctd\u003eUS EPA 40 CFR 141.21; APHA Standard Methods 9221 B\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAlso known as\u003c\/td\u003e\n\u003ctd\u003eP-A Broth, Presence-Absence Coliform Test Broth\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003ePhysical \u0026amp; Chemical Specifications\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003epH (prepared, 25 °C)\u003c\/td\u003e\n\u003ctd\u003e6.8 ± 0.2\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMoisture (loss on drying)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFormulation\u003c\/td\u003e\n\u003ctd\u003eDouble-strength (71.82 g\/L) — diluted 1:1 with 100 mL water sample\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePositive indicator\u003c\/td\u003e\n\u003ctd\u003eYellow colour + turbidity ± gas (Durham tube)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNegative indicator\u003c\/td\u003e\n\u003ctd\u003ePurple colour, clear broth, no gas\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAutoclave time\u003c\/td\u003e\n\u003ctd\u003e121 °C for exactly 12 minutes — do not exceed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003ePerformance Characteristics\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eOrganism\u003c\/th\u003e\n\u003cth\u003eATCC No.\u003c\/th\u003e\n\u003cth\u003eExpected Result\u003c\/th\u003e\n\u003cth\u003eIncubation\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eEscherichia coli\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e25922\u003c\/td\u003e\n\u003ctd\u003eTurbidity + yellow + gas within 24–48 h\u003c\/td\u003e\n\u003ctd\u003e35 ± 0.5 °C, 48 h\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eEnterobacter aerogenes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e13048\u003c\/td\u003e\n\u003ctd\u003eTurbidity + yellow + gas within 24–48 h\u003c\/td\u003e\n\u003ctd\u003e35 ± 0.5 °C, 48 h\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cem\u003ePseudomonas aeruginosa\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e27853\u003c\/td\u003e\n\u003ctd\u003eNo gas; no yellow colour change\u003c\/td\u003e\n\u003ctd\u003e35 ± 0.5 °C, 48 h\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cem\u003eStaphylococcus aureus\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd\u003e25923\u003c\/td\u003e\n\u003ctd\u003eInhibited; no growth\u003c\/td\u003e\n\u003ctd\u003e35 ± 0.5 °C, 48 h\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eKey Limitations\u003c\/div\u003e\n    \u003cul class=\"aus-ul\"\u003e\n      \u003cli\u003ePresumptive test only — all positives must be confirmed per APHA 9221 F\u003c\/li\u003e\n      \u003cli\u003ePresence\/absence only — does not enumerate organisms; not an MPN method\u003c\/li\u003e\n      \u003cli\u003eResidual disinfectants inhibit recovery — neutralise chlorine before testing\u003c\/li\u003e\n      \u003cli\u003eSome non-coliforms (e.g. \u003cem\u003eAeromonas\u003c\/em\u003e spp.) may produce false positives\u003c\/li\u003e\n      \u003cli\u003eAutoclave strictly 12 minutes only — longer degrades selectivity\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eQuality Standards\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRegulatory Approval\u003c\/td\u003e\n\u003ctd\u003eUS EPA 40 CFR 141.21\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eStandard Method\u003c\/td\u003e\n\u003ctd\u003eAPHA Standard Methods 9221 B (alternative procedure)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eAustralia\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-dl-row\"\u003e\n      \u003ca class=\"aus-dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AS-1334_PA_Broth_TDS.pdf\" target=\"_blank\"\u003eDownload Full TDS (PDF)\u003c\/a\u003e\n      \u003ca class=\"aus-dl ol\" href=\"mailto:support@ausamics.com.au?subject=TDS%20Request%20AS-1334\"\u003eRequest via Email\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"aus-disc\"\u003eTechnical Data Sheet represents typical values. Version 1.0 — March 2026. AuSaMicS Pty Ltd | ABN 56 676 640 467 | www.ausamics.com.au\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ══════════ TAB 3: SDS ══════════ --\u003e\n  \u003cdiv class=\"aus-panel\" id=\"p1334sds\"\u003e\n    \u003cdiv class=\"aus-warn\"\u003e\n      GHS Classification: Not classified as hazardous (AU WHS Regulations 2017) | Signal Word: None | ADG: Not regulated | Biological Hazard: Inoculated media may contain pathogens — handle per BSL requirements.\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSection 1 — Identification\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePresence-Absence (P-A) Broth\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCatalogue Number\u003c\/td\u003e\n\u003ctd\u003eAS-1334\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eDouble-strength differential broth for presumptive coliform detection — laboratory use only\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSupplier\u003c\/td\u003e\n\u003ctd\u003eAuSaMicS Pty Ltd | 31 Longview CT, Thomastown VIC 3074\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eABN\u003c\/td\u003e\n\u003ctd\u003e56 676 640 467\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEmergency Phone\u003c\/td\u003e\n\u003ctd\u003e+61 412 520 598 | Poisons Information Centre: 13 11 26 (24 hr)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEmail\u003c\/td\u003e\n\u003ctd\u003esupport@ausamics.com.au\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSection 3 — Composition\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eCAS Number\u003c\/th\u003e\n\u003cth\u003eProportion\u003c\/th\u003e\n\u003cth\u003eClassification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTryptose \/ Lactose Broth base\u003c\/td\u003e\n\u003ctd\u003e73049-73-7\u003c\/td\u003e\n\u003ctd\u003e~49.5%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eLactose\u003c\/td\u003e\n\u003ctd\u003e63-42-3\u003c\/td\u003e\n\u003ctd\u003e~13.9%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSodium Chloride\u003c\/td\u003e\n\u003ctd\u003e7647-14-5\u003c\/td\u003e\n\u003ctd\u003e~13.9%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDipotassium Phosphate\u003c\/td\u003e\n\u003ctd\u003e7758-11-4\u003c\/td\u003e\n\u003ctd\u003e~7.7%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMonopotassium Phosphate\u003c\/td\u003e\n\u003ctd\u003e7778-77-0\u003c\/td\u003e\n\u003ctd\u003e~7.7%\u003c\/td\u003e\n\u003ctd\u003eNot classified\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSodium Lauryl Sulfate\u003c\/td\u003e\n\u003ctd\u003e151-21-3\u003c\/td\u003e\n\u003ctd\u003e~0.3%\u003c\/td\u003e\n\u003ctd\u003eIrritant (GHS) at high concentrations\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBromocresol Purple\u003c\/td\u003e\n\u003ctd\u003e115-40-2\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1%\u003c\/td\u003e\n\u003ctd\u003eNot classified at this level\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSections 4–8 — First Aid, Handling \u0026amp; PPE\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTopic\u003c\/th\u003e\n\u003cth\u003eGuidance\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInhalation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemove to fresh air. Seek medical attention if symptoms persist.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSkin Contact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWash with soap and water for at least 15 minutes.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEye Contact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIrrigate with water for at least 15 minutes. Seek immediate medical attention.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIngestion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDo not induce vomiting. Rinse mouth. Seek medical attention.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePowder Spill\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvoid dust. Sweep up; collect in sealed container.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInoculated Spill\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBiological hazard. Disinfect with 1% hypochlorite. Autoclave before disposal.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePPE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNitrile gloves, safety goggles, lab coat. BSL-appropriate for inoculated work.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSection 13 — Disposal\u003c\/div\u003e\n    \u003cp class=\"aus-p\"\u003e\u003cstrong\u003eUninoculated:\u003c\/strong\u003e General laboratory waste per local EPA regulations.\u003c\/p\u003e\n    \u003cp class=\"aus-p\"\u003e\u003cstrong\u003eInoculated \/ used bottles:\u003c\/strong\u003e Autoclave at 121 °C for 30 minutes before disposal. Do not pour untreated coliform-positive media to drain.\u003c\/p\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSection 15 — Regulatory\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWHS Regulations 2017\u003c\/td\u003e\n\u003ctd\u003eCompliant — not classified as hazardous\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eUS EPA\u003c\/td\u003e\n\u003ctd\u003e40 CFR 141.21 approved method medium\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTransport (ADG\/IATA)\u003c\/td\u003e\n\u003ctd\u003eNot classified as dangerous goods\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-dl-row\"\u003e\n      \u003ca class=\"aus-dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AS-1334_PA_Broth_SDS.pdf\" target=\"_blank\"\u003eDownload Full SDS — 16 Sections (PDF)\u003c\/a\u003e\n      \u003ca class=\"aus-dl ol\" href=\"mailto:support@ausamics.com.au?subject=SDS%20Request%20AS-1334\"\u003eRequest via Email\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"aus-disc\"\u003ePrepared in accordance with Australian WHS Regulations and GHS 7th Edition. Version 1.0 — March 2026. AuSaMicS Pty Ltd | ABN 56 676 640 467 | www.ausamics.com.au\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ══════════ TAB 4: COA ══════════ --\u003e\n  \u003cdiv class=\"aus-panel\" id=\"p1334coa\"\u003e\n    \u003cdiv class=\"aus-sh\"\u003eProduct Information\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePresence-Absence (P-A) Broth\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCatalogue Number\u003c\/td\u003e\n\u003ctd\u003eAS-1334\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eLot \/ Batch Number\u003c\/td\u003e\n\u003ctd class=\"pending\"\u003eContact us for batch-specific COA\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eManufacturing Date\u003c\/td\u003e\n\u003ctd class=\"pending\"\u003eAvailable on request\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eExpiry Date\u003c\/td\u003e\n\u003ctd class=\"pending\"\u003eAvailable on request\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eStorage Conditions\u003c\/td\u003e\n\u003ctd\u003e15–30 °C, tightly closed, dry; prepared: 2–8 °C, use within 3 months\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eSpecification \u0026amp; Test Results\u003c\/div\u003e\n    \u003ctable class=\"aus-dt\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTest\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eTypical Result\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eAppearance (powder)\u003c\/td\u003e\n\u003ctd\u003eCream to pale beige powder\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eColour (prepared, pre-inoculation)\u003c\/td\u003e\n\u003ctd\u003ePurple (bromocresol purple)\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003epH (prepared, 25 °C)\u003c\/td\u003e\n\u003ctd\u003e6.8 ± 0.2\u003c\/td\u003e\n\u003ctd\u003e6.8\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMoisture (loss on drying)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5.0%\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSterility (prepared, 48 h)\u003c\/td\u003e\n\u003ctd\u003eNo turbidity\/colour change\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\n\u003cem\u003eE. coli\u003c\/em\u003e ATCC 25922 (productivity)\u003c\/td\u003e\n\u003ctd\u003eTurbidity + yellow + gas 24–48 h\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\n\u003cem\u003eEnterobacter\u003c\/em\u003e ATCC 13048 (productivity)\u003c\/td\u003e\n\u003ctd\u003eTurbidity + yellow + gas 24–48 h\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\n\u003cem\u003eP. aeruginosa\u003c\/em\u003e ATCC 27853 (selectivity)\u003c\/td\u003e\n\u003ctd\u003eNo gas; no yellow colour change\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\n\u003cem\u003eS. aureus\u003c\/em\u003e ATCC 25923 (selectivity)\u003c\/td\u003e\n\u003ctd\u003eInhibited; no growth\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDurham tube integrity\u003c\/td\u003e\n\u003ctd\u003eSubmerged; free of air bubbles\u003c\/td\u003e\n\u003ctd\u003eComplies\u003c\/td\u003e\n\u003ctd class=\"pass\"\u003e✓ PASS\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-sh\"\u003eAuthorisation\u003c\/div\u003e\n    \u003ctable class=\"aus-kv\"\u003e\n      \u003ctr\u003e\n\u003ctd\u003eReleased by\u003c\/td\u003e\n\u003ctd\u003eHassan Salimi\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTitle\u003c\/td\u003e\n\u003ctd\u003eFounder and Technical Director\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOrganisation\u003c\/td\u003e\n\u003ctd\u003eAuSaMicS Pty Ltd\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n\n    \u003cdiv class=\"aus-card\"\u003e\n      \u003cstrong\u003eNeed a batch-specific COA?\u003c\/strong\u003e\u003cbr\u003e\n      Contact us with your order number and we will issue a full COA within 1 business day.\u003cbr\u003e\n      \u003ca href=\"mailto:support@ausamics.com.au\" style=\"color:#1A4731;font-weight:600;\"\u003esupport@ausamics.com.au\u003c\/a\u003e  |  +61 412 520 598\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"aus-dl-row\"\u003e\n      \u003ca class=\"aus-dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/AS-1334_PA_Broth_COA.pdf\" target=\"_blank\"\u003eDownload Certificate of Analysis (PDF)\u003c\/a\u003e\n      \u003ca class=\"aus-dl ol\" href=\"mailto:support@ausamics.com.au?subject=COA%20Request%20AS-1334\"\u003eRequest via Email\u003c\/a\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"aus-disc\"\u003eThis Certificate of Analysis is valid for the batch identified above. Results apply to the specific lot tested and are not transferable. AuSaMicS Pty Ltd | ABN 56 676 640 467 | www.ausamics.com.au\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ausamics Life Science","offers":[{"title":"100 g","offer_id":48298509992191,"sku":"AS-1334-100G","price":35.0,"currency_code":"AUD","in_stock":true},{"title":"500 g","offer_id":48298510024959,"sku":"AS-1334-500G","price":95.0,"currency_code":"AUD","in_stock":true},{"title":"2.5 kg","offer_id":48342337192191,"sku":"AS-1334-2.5KG","price":425.0,"currency_code":"AUD","in_stock":true},{"title":"10 kg","offer_id":48342337224959,"sku":"AS-1334-10KG","price":1455.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1087\/0271\/files\/MaltExtractBroth_87cd0c29-334f-4c3e-999e-832ade8ac266.jpg?v=1774689406","url":"https:\/\/ausamics.com.au\/products\/presence-absence-broth","provider":"AuSaMicS","version":"1.0","type":"link"}