{"product_id":"magnesium-and-total-hardness-reagents-100-tests-hanna-instruments-hi93719-01","title":"Magnesium and Total Hardness Reagents, 100 Tests, Hanna Instruments, HI93719-01","description":"\u003cp\u003e\u003cstrong\u003eHanna Instruments® Magnesium and Total Hardness Reagents, 100 Tests, HI93719-01\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAppearance: \u003cul\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent A: dark red liquid\u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent B: colorless liquid\u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent C: colorless liquid\u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent D: colorless liquid\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eCAS No.: \u003cul\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent A: \u003cul\u003e \u003cli\u003edoes not contain hazardous substances\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent B: \u003cul\u003e \u003cli\u003eSodium Hydroxide: 1310-73-2\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent C: \u003cul\u003e \u003cli\u003eEDTA Tetrasodium Salt:  194491-31-1\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eMagnesium \u0026amp; Total Hardness Reagent D: \u003cul\u003e \u003cli\u003edoes not contain hazardous substances\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003ePowder reagent for colorimetric determination of magnesium and total hardness with a compatible benchtop or portable photometer\u003c\/li\u003e \u003cli\u003eAdaptation of Standard Methods for the Examination of Water and Wastewater, 18th ed., colorimetric method\u003c\/li\u003e \u003cli\u003eReaction between Magnesium and calmagite indicator causes a violet tint in sample\u003c\/li\u003e \u003cli\u003eRange: 0.00 to 2.00 mg\/L magnesium hardness and 0.00 to 4.70 mg\/L total hardness as calcium carbonate (CaCO\u003csub\u003e3\u003c\/sub\u003e)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51184578855227,"sku":"91-2804-28-EA","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/91-2804-28_1d8b1598-3669-4aad-a03a-7dd15f739b29.png?v=1784708326","url":"https:\/\/preiser.com\/products\/magnesium-and-total-hardness-reagents-100-tests-hanna-instruments-hi93719-01","provider":"Preiser Scientific","version":"1.0","type":"link"}