{"product_id":"heathrow-saturated-calibration-salts-water-activity","title":"Saturated Calibration Salts for Water Activity Meters - Heathrow Scientific","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMaintain the absolute accuracy and audit-ready compliance of your analytical instruments with Heathrow Scientific Saturated Calibration Salts. Designed specifically for the routine calibration and verification of Water Activity Meters, these premium saturated salt standards guarantee that your aw measurements remain completely reliable over time. Regular calibration is a strict requirement under ISO 18787 and ASTM E104 testing standards, ensuring that sensor drift does not compromise your product safety data or lead to premature spoilage of released batches.\u003cbr\u003e\u003cbr\u003eEach calibration salt is carefully formulated to produce a highly specific, thermodynamically stable water activity (aw) value at standard room temperatures. The series covers the entire critical testing spectrum, including Magnesium Chloride (0.328 aw), Magnesium Nitrate (0.529 aw), Sodium Chloride (0.753 aw), Potassium Chloride (0.843 aw), Ammonium Dihydrogen Phosphate (0.930 aw), and Potassium Sulfate (0.973 aw). Supplied in secure, leak-proof containment vessels, these reusable salts feature a breathable waterproof film that allows for rapid vapor equilibrium without exposing the sensor to liquid contamination.\u003c\/p\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSalts are reusable\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDo not pierce waterproof breathable film\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRecommend to replace after one year\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTo use:  Open the lid and set it on the sensor to complete preparation. Please follow the testing standards based upon your sample product.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eISO 18787:2017 - Food Products\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eASTM E104 - Pharmaceuticals and Cosmetics\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eQuantity: 1 Each\u003c\/p\u003e\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eType: 0.328 aw, Magnesium Chloride\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eAcademic and Institutional Pricing\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Magnesium Chloride (0.328 aw) \/ 1 Each","offer_id":48078977401064,"sku":"47011","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Magnesium Nitrate (0.529 aw) \/ 1 Each","offer_id":48078977433832,"sku":"47012","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Sodium Chloride (0.753 aw) \/ 1 Each","offer_id":48078977466600,"sku":"47013","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Potassium Chloride (0.843 aw) \/ 1 Each","offer_id":48078977499368,"sku":"47014","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Ammonium Dihydrogen Phosphate (0.930 aw) \/ 1 Each","offer_id":48078977532136,"sku":"47015","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Potassium Sulfate (0.973 aw) \/ 1 Each","offer_id":48078977564904,"sku":"47016","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_6076919c-4ca3-43c6-a9f4-b6c3d7df3a02.jpg?v=1771857548","url":"https:\/\/labsupplies.com\/products\/heathrow-saturated-calibration-salts-water-activity","provider":"LabSupplies.com","version":"1.0","type":"link"}