Potassium Carbonate

Potassium Carbonate

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   Technical Grade   FIRST GRADE   REGULAR GRADE  
Purity(as K2CO3)  % Min   99.0  99.0  98.5  96.0
Chloride(as KCl)  % Max   0.01  0.03  0.10  0.20
Sulphate(as K2SO4)  % Max   0.01  0.04  0.10  0.12
Iron   % Max   0.001  0.001  0.003  0.01
nsoluble matter in water   % Max   0.02  0.04  0.05  0.10
Burnt loss   % Max   0.6  0.8  1.0  1.0


Specification: Food Grade (HG2452-93)

NSPECT ION ITEM   UNIT   STANDARD  
Purity(as K2CO3)  % Min   99.0
Chloride(as KCl )   % Max   0.01
Sulphate (as K2SO4)  % Max   0.01
Iron  % Max   0.001
Insoluble matter in water  % Max   0.02
Burnt loss  % Max   0.6
Arsenic  % Max   0.0003
Heavy Metal(as Pb)  % Max   0.002



Packing:
Plastic woven bag or kraft paper bag inner with plastic bag, in 25/50 /1000KG net .