{"product_id":"qa-instruments-ph-4-0-buffer-200ml","title":"QA Instruments pH 4.0 Buffer (200ml)","description":"\u003cp\u003eQA Instruments pH 4.0 buffer manufactured to high standards. Used to calibrate pH meters of all types. For best practice do not re-use test buffers as they can become contaminated over time affecting the accuracy of the pH measurement. Always use fresh buffers and never return test buffers to original bottle.\u003c\/p\u003e\n\u003cp\u003eLong shelf life if maintained in optimal conditions.\u003c\/p\u003e","brand":"QA Instruments","offers":[{"title":"Default Title","offer_id":47272229961890,"sku":"QAI-PH4-200","price":20.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0010\/5640\/7612\/files\/ph4_800x_3a14bfe3-4de2-4fed-b008-e03cd8cbe039.webp?v=1779075414","url":"https:\/\/temperature.co.nz\/products\/qa-instruments-ph-4-0-buffer-200ml","provider":"The Temperature Shop","version":"1.0","type":"link"}