{"product_id":"water-hardness-tntplus-vial-test-20-350-mg-l-as-caco3-25-tests-hach-tnt869","title":"Water Hardness TNTplus Vial Test (20 - 350 mg\/L as CaCO3), 25 Tests, HACH, TNT869","description":"\u003cp\u003e\u003cstrong\u003eHACH® Water Hardness TNTplus Vial Test (20 - 350 mg\/L as CaCO3), 25 Tests, TNT869\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTNTplus® chemistry along with HACH spectrophotometer are engineered to simplify water analysis and provide accurate results, everytime\u003c\/li\u003e\n\u003cli\u003eFor photometric determination of Water Hardness (Calcium + Magnesium) by the Metalphthalein method 10293\u003c\/li\u003e\n\u003cli\u003eTraditional Magnesium measurement has often involved time consuming titrations requiring expensive glassware and subjective end point determination by difficult to see color changes — direct read TNTplus® will provide Calcium, Magnesium and Water Hardness results with no more cleaning glassware, dealing with large amounts of waste, and no worrying about human errors\u003c\/li\u003e\n\u003cli\u003eSafe, easy handling with innovative vial and reagent delivery system which significantly reduces spillage or contamination risk as seen with powder pillows or liquid reagents\u003c\/li\u003e\n\u003cli\u003eReagent blank not necessary because of high quality of TNTplus® vials, tight reagent production controls, instrument calibration verification, and high instrument stability — saving time and money\u003c\/li\u003e\n\u003cli\u003eAutomatic method detection with bar-coded vials which increases speed of analysis and reduces errors because instrument averages 10 readings and reject outliers caused by scratched, flawed or dirty glassware\u003c\/li\u003e\n\u003cli\u003eDocumented shelf life with the 2D barcode which details batch number and expiration date and Certificate of Accuracy is available on RFID tag on the box\u003c\/li\u003e\n\u003cli\u003eAppearance:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eWater Hardness Reagent A: colorless liquid\u003c\/li\u003e\n\u003cli\u003eWater Hardness Reagent B: red liquid\u003c\/li\u003e\n\u003cli\u003eWater Hardness Reagent R: white flaky solids\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCAS Nos: \u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eWater Hardness Reagent A:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTriethanolamine: \u003cspan dir=\"ltr\" style=\"left: 668.154px; top: 397.993px; font-size: 14.9983px; font-family: sans-serif; transform: scaleX(1.03369);\" role=\"presentation\"\u003e102-71-6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater Hardness Reagent B:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eMixture with non-reportable levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater Hardness Reagent R:\n\u003cul\u003e\n\u003cli\u003eMixture with non-reportable levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eShelf life: 12 months from production date\u003c\/li\u003e\n\u003cli\u003eRange: 20 to 350 mg\/L as CaCO\u003csub\u003e3\u003c\/sub\u003e, 5 to 100 mg\/L Ca, 3 to 50 mg\/L Mg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HACH","offers":[{"title":"PK (1)","offer_id":51184821043515,"sku":"HAH-TNT869-PK","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/HAH-TNT869.png?v=1784719510","url":"https:\/\/preiser.com\/products\/water-hardness-tntplus-vial-test-20-350-mg-l-as-caco3-25-tests-hach-tnt869","provider":"Preiser Scientific","version":"1.0","type":"link"}