product details
Sodium dihydrogen phosphate, dihydrateNaH2PO4·2H2O
Alias: monosodium phosphate
Relative molecular Weight:156.01
Properties:colorless or white crystals,there are deliquescence.The relative density is 1.91, the melting point is 60 ℃.Dehydrationat 105 ° C, as anhydrous. Soluble in water, insoluble in ethanol.
Product standard number:GB/T 1267-1999
Specifications: Content and content of impurities in %
Test Items | AR | CP |
Content | 99.0 | 98.0 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.01 | 0.02 |
Chloride(Cl) | 0.005 | 0.01 |
Sulfate(SO4) | 0.005 | 0.01 |
Nitrate(NO3) | 0.001 | 0.002 |
Potassium (K) | 0.02 | 0.1 |
Iron(Fe) | 0.001 | 0.005 |
Arsenic (As) | 0.0002 | 0.0005 |
Heavy metals(以Pb计) | 0.001 | 0.005 |
Ammonia precipitate | 0.01 | 0.02 |
Usage:It can be use as analysis ofreagents,Such as the configuration PH value of the standard solution, buffer.Also used as a water softener, bacteria media preparation.
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