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We offer more than 100,000 products.  If you do not see what you are looking for or need more information on a product, contact our knowledgeable sales team at preiser@preiser.com or call (800) 624-8285. 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g\/cm\u003csup\u003e3\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eMolecular Formula:  C\u003csub\u003e4\u003c\/sub\u003eH\u003csub\u003e6\u003c\/sub\u003eO\u003csub\u003e4\u003c\/sub\u003eZn.2H\u003csub\u003e2\u003c\/sub\u003eO\u003c\/li\u003e\n\u003cli\u003eMolecular Weight: 219.5 g\/mol\u003c\/li\u003e\n\u003cli\u003eAssay:  \u0026gt;= - 98.00 - \u0026lt;= - 101.00\u003c\/li\u003e\n\u003cli\u003eChloride:  No Limit - 0.00 - \u0026lt;= - 0.005\u003c\/li\u003e\n\u003cli\u003eInsoluble:  No Limit - 0.00 - \u0026lt;= - 0.005\u003c\/li\u003e\n\u003cli\u003eIron:  No Limit - 0.00 - \u0026lt;= - 0.005\u003c\/li\u003e\n\u003cli\u003eMagnesium:  No Limit - 0.00 - \u0026lt;= - 0.005\u003c\/li\u003e\n\u003cli\u003ePotassium:  No Limit - 0.00 - \u0026lt;= - 0.01\u003c\/li\u003e\n\u003cli\u003eSodium:  No Limit - 0.00 - \u0026lt;= - 0.05\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GFS Chemicals","offers":[{"title":"EA 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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);\" 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