Product Main

Specifications

AR/ACS/Pharma/Food Grade
Product Description
Molecular formula: K2CO3
CAS: 584-08-7
Appearance: White crystal powder 
Properties: Is tasted, containing K2O 68.12%, its appearance is white powder crystallization, 2.43 g/cm3 density, melting point 891 ° C, thermal stability, high in 1000° C above nor decomposition. 
Use: Potash is mainly used to produce potassium glass, potash soap and other inorganic chemicals, and for the removal of industrial gases of hydrogen sulfide and carbon dioxide, also used for wire, printing ink manufacture industry, printing and dyeing, etc.
 
Test item
Specification
 
Reagent grade
Pharmaceutical grade
Appearance
Conform
Conform
Assay [K2CO3] /%
≥ 99.0
≥ 98.0
Clarify degrees test
Conform
Conform
Dry weightlessness
≤ 1.0
≤ 2.0
Chloride (Cl)/%
≤ 0.003
≤ 0.01
Sulfur compounds (SO4) %
≤ 0.003
≤ 0.01
N %
≤ 0.001
≤ 0.01
Phosphate and Portland /%
≤ 0.005
≤ 0.02
Sodium (Na) /%
≤ 0.05
≤ 0.10
Magnesium (Mg) /%
≤ 0.002
≤ 0.005
Calcium (Ca) /%
≤ 0.002
≤ 0.02
Iron (Fe) /%
≤ 0.0005
≤ 0.002
Copper (Cu) /%
≤ 0.0005
≤ 0.001
Pb/%
≤ 0.0005
≤ 0.001