![Magnesium Sulfate Heptahydrate Crystal Reagent ACS Developer 05 % ASSAY (C[@8@]H[@5@]O[@4@]K) 99](https://cdn.shopify.com/s/files/1/0029/6648/7113/products/products_004_c9622b22-3967-4da7-87bf-90458022c38a.jpg?v=1585339889)
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05 % ASSAY (C[@8@]H[@5@]O[@4@]K) 99
02% IRON (Fe) 2 ppm ALDEHYDE (as HCHO) 0
02 TRACEABLE TO NIST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE
01% CALCIUM (Ca) 0
Magnesium Sulfate Heptahydrate Crystal Reagent ACS Developer 05 % ASSAY (C[@8@]H[@5@]O[@4@]K) 99Test Specification Min Max ASSAY (MgSO[@4@][ 7H[@2@]O) 98 102. 00% pH OF A 5% SOLUTION @ 25[dC 5 8. 2 INSOLUBLE MATTER 0. 01% CHLORIDE (Cl) 5 ppm NITRATE (NO[@3@]) 0. 00% AMMONIUM (NH[@4@]) 0. 00% CALCIUM (Ca) 0. 02% HEAVY METALS (by ICP OES)) 5 ppm IRON (Fe) 5 ppm MANGANESE (Mn) 5 ppm POTASSIUM (K) 0. 01% SODIUM (Na) 0. 01% STRONTIUM (Sr) 0. 01%
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