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jane123/high purity of 99.5%min granular calcium nitrate fertilizer/T/T,Western Union,MoneyGram/7783-20-2
99% (NH4)2SO4 7783-20-2
molecular formula:(NH4)2SO4
Appearance:
Colorless crystal
Properties:
Colorless crystalline or translucence powder. The relative density 1.769. Hot to 100 ℃ began to decompose into ammonia and acid hydrogen amines. Soluble in water, insoluble in ethanol and acetone.
Use:
Analytics reagents. As the support point electrochemical analysis and solution quality. Also used in the microbiological media, ammonium salt preparation.
99% (NH4)2SO4 7783-20-2
molecular formula:(NH4)2SO4
Appearance:
Colorless crystal
Properties:
Colorless crystalline or translucence powder. The relative density 1.769. Hot to 100 ℃ began to decompose into ammonia and acid hydrogen amines. Soluble in water, insoluble in ethanol and acetone.
Use:
Analytics reagents. As the support point electrochemical analysis and solution quality. Also used in the microbiological media, ammonium salt preparation.
Details:
Test item | Specification | |
AR | CP | |
Appearance | Conform | Conform |
Assay /% | ≥99.0 | ≥99.0 |
Clarify degrees test | Conform | Conform |
Water insoluble/% | ≤0.002 | ≤0.01 |
Burning residua /% | ≤0.01 | ≤0.05 |
Chloride (Cl)/% | ≤0.0005 | ≤0.001 |
Nitrate (NO3)/% | ≤0.001 | ≤0.005 |
phosphate (PO4)/% | ≤0.0005 | ≤0.002 |
Arsenic (As)/% | ≤0.00002 | ≤0.0002 |
Calcium (Ca) /% | ≤0.005 | |
Ferric (Fe)/% | ≤0.0002 | ≤0.0005 |
Heavy metal (Pb)/% | ≤0.0005 | ≤0.002 |
