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Contact SupplierSolubility | 2.0 gms soluble in 10.0 ml distilled water |
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Identification | Should give characteristic reactions for Ammonium salts and Hypophosphite salts |
Iron | Not More than 10 ppm |
Sulphate | Not more than 0.05% |
Arsenic | Not more than 2 ppm |
Phosphite | Not more than 0.05% |
Calcium | Nil |
Barium | Nil |
pH | 3.5-5.5 |
Water | 35.3 % to 37.0 % |
Iron | Not more than 0.05 % |
Zinc | Not more than 5 ppm |
Copper | Not more than 2 ppm |
Lead | Not more than 5 ppm |
Chloride | Not more than 300 ppm |
Loss on Drying | Not More than 5 % at 105oC |
Assay as Nickel | 17.5% to 19.5% |
Assay as Hypophosphite | 42.5% to 44.5% |
Assay | 97.0 % to 102.0 % |