{"product_id":"fisher-chemical-buffer-concentrated-solution-bs-ph-4-00-phtalate","title":"Fisher Chemical Buffer Concentrated Solution BS pH 4.00 (pHtalate)","description":"\u003ch4\u003e\u003cstrong\u003eFisher Chemical™ Buffer Concentrated Solution BS pH 4.00 (pHtalate Standard) \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCertified pH standard solution for precise electrode calibration and quality control in laboratories. Ideal for ISO 17025-accredited workflows requiring traceable pH measurements in pharmaceutical, environmental, and food testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fisher Chemical J\/2821C\/05\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Ampoule\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 mL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Form:\u003c\/strong\u003e Colorless liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Value:\u003c\/strong\u003e 4.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS:\u003c\/strong\u003e 282720\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified accuracy:\u003c\/strong\u003e BS-standard formulation ensures ±0.02 pH unit precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability:\u003c\/strong\u003e Ready-to-use concentrate maintains pH integrity under controlled storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraceability:\u003c\/strong\u003e Complies with metrological standards for audit-ready documentation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial integrity:\u003c\/strong\u003e Sealed ampoule prevents CO\u003csub\u003e2\u003c\/sub\u003e absorption and evaporation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces calibration errors in pH meters and ion-selective electrodes\u003c\/li\u003e\n\u003cli\u003eSupports compliance with GLP\/GMP testing protocols\u003c\/li\u003e\n\u003cli\u003eEnables reproducible results in QC\/QA workflows\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fisher Chemical","offers":[{"title":"100 mL \/ Colorless \/ Unit \/ New - Unopened (Sealed)","offer_id":51516144877895,"sku":"11413843","price":29.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/convert_579b3367-319a-4f52-b1ee-b5308db5b1ec.png?v=1745937806","url":"https:\/\/checkout.wasteless.bio\/en-us\/products\/fisher-chemical-buffer-concentrated-solution-bs-ph-4-00-phtalate","provider":"Wasteless Bio","version":"1.0","type":"link"}