21% Ammonium Sulphate with SGS Certification

Model NO.: 0424 Release Type: Quick Chemical Character: Chemical Neutral Type: Compost Mf: (Nh4)2so4 Purity: 99% Trademark: Eminent Origin: China Classification: Compound Fertilizer Infection on Soil: Physiological Neutral Appearance: Granular CAS No: 7783-20-0 Einecs No.: 231-984-1 Application: Agriculture Fertilizer Specification: SGS HS Code: 3102210000
Specifications
Ammonium ferrous sulfate hexahydrate
Molecular formula: FeSO4(NH4)2SO4.6H2O
CAS: 7783-85-9
Appearance: Pale green crystal
Properties:
A soil white or yellowish powder, namely into a brown liquid. Soluble in water and alcohol. Anhydrous ferric density for 3.097 g/cm ^ 3. Become acidic aqueous solution, heating through 480 °C when decompose, release sulphur trioxide become trioxide iron, avoid light, moistureproof, sealing preservation.
Use:
As an analytical reagent, sugar to quantitatively measure, iron catalyst, mordant DTC system pigment, drugs.
 
Details:
 

Test item	Specification
	Reagent grade	Pharmaceutical grade
Appearance	Conform	Conform
Assay /%	≥99.5	≥99.0
Water insoluble /%	≤0.005	≤0.02
Chloride (Cl)/%	≤0.001	≤0.005
Phosphate  (PO4)/%	≤0.0005	≤0.002
Manganese (Mn)/%	≤0.05
Ferric (Fe)/%	≤0.01	≤0.02
Copper (Cu)/%	≤0.002	≤0.01
Zinc (Zn)/%	≤0.005	≤0.02
Lead (Pb)/%	≤0.002	≤0.004
SO4/%	≤0.1	≤0.2

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