Inorganic Chemicals
Description
Product Name: Potassium Carbonate
Molecular formula: K2CO3
Molecular weight: 138.2
CAS NO.: 584-08-7
HS CODE: 28364000
Property: Potassium Carbonate may be
monoclinic crystal, white powder, granular crystal or prill. The relative density is 2.428 and the melting point is at 891 degree C .It is easily soluble in water forming a slightly alkaline solution. It is insoluble in alcohol and ether. It has strong hygroscopicity. It easily cakes and turns into Potassium Bicarbonate through absorbing carbon dioxide when exposed to the air for a long time.
Specification: Industrial Grade ( GB/T 1587-2000 )
INSPECT ION ITEM UNIT FINE GRADE TV GLASS GRADE FIRST GRADE REGULAR GRADE
Purity(as K2CO3) % ≧ 99.0 99.0 98.5 96.0
Chloride(as KCl) % ≦ 0.01 0.03 0.10 0.20
Sulphate(as K2SO4) % ≦ 0.01 0.04 0.10 0.15
Iron % ≦ 0.001 0.001 0.003 0.010
nsoluble matter in water % ≦ 0.02 0.04 0.05 0.10
Burnt loss % ≦ 0.6 0.8 1.00 1.00
Specification: Food Grade (HG2452-93)
NSPECT ION ITEM UNIT STANDARD
Purity(as K2CO3) % ≧ 99.0
Chloride(as KCl ) % ≦ 0.01
Sulphate (as K2SO4) % ≦ 0.01
Iron % ≦ 0.001
Insoluble matter in water % ≦ 0.02
Burnt loss % ≦ 0.6
Arsenic % ≦ 0.0003
Heavy Metal(as Pb) % ≦ 0.002
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chemical Nitrate
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