Ammonium Sulphate

Description

Classification: Sulphate	Type: Ammonium Sulphate	CAS No.: 31691-97-1
Other Names: Ammonium sulfate	MF: (NH4)2SO4	Place of Origin:  China (Mainland)
Grade Standard: Food Grade	Purity: 99%	Appearance: Colorless crystal
Application: Analytics reagents		Model Number: Food Grade

Specifications

molecular formula: (NH4)2SO4
Appearance:
Colorless crystal

molecular formula: (NH4)2SO4
Appearance:
Colorless crystal

Properties:

Colorless crystalline or translucence powder. The relative density 1.769. Hot to 100 °C 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

Resource:

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