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Ammonium Sulphate

AMMONIUM THIOCYANATE
Production Information
PROPERTIES   &  USAGE
Properties   Usage
Chemical formula (NH4)2SO4 Laboratory use
Molar mass 132.14 g/mol Food additive
Density 1.769 g/cm3 (20 °C)  
Melting point 235 to 280 °C (455 to 536 °F; 508 to 553 K) (decomposes)  
 
 
SPECIFICATION
Specification   Steel Grade Powder Caprolactam Grade Crystal 1-2mm
 Size  mm  0-1  0-4; 2-4; 0-2; 1-2; 0-1  1-2mm Crystal
Free Acid (H2SO4) % % max  0.2% min 0.03 ≤ 0.03
 Moisture  % max 1 0.2 ≤ 0.5
 Nitrogen Content  % min 20.5% min 21 ≥ 21
 Appearance   White or off white granular Achromatous Crystalline   
 Arsenic (As)   % max    5E-05  
 Heavy Metals   % max   0.005  
 Iron(Fe)  % max    0.007  
 Water-insoluble Matters   % max   0.01  
Color        White/Yellowish
Sulfur (S) %       ≥ 23.5