Sell Potassium Carbonate

详情

Product Name Potassium Carbonate
CAS No. *******7
Molecular Weight **8.*1
Structural Formula K2CO3
Description: It is monoclinic crystal, white powder, granular crystal or prill. It is easily soluble in water forming a slightly alkaline solution and 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.
Types Food Grade Tech Grade First Grade
Purity (as K2CO3) *9% min *9% min *8.5% min
Chloride (as KCl) 0.*1% max 0.*3% max 0.1% max
Sulphate (as K2SO4) 0.*1% max. 0.*4% max 0.1% max
Iron 0.**1% max 0.**1% max 0.**3% max
Insoluble matter in water 0.*2% max 0.*4% max 0.*5% max
Burnt Loss 0.6% max 0.8% max 1% max
Relative Density 2.**8 2.**8 2.**8
Melting Point **1 **1 **1
Packing In *5/*0/**0/**0/**0/***0 KGS net plastic woven bag inner with plastic bag or kraft paper bag.

Usage:
Used as raw materials in manufacturing electro tube, TV kinescope, computer display; Applied in optical glass improving clarity, strength and refractive index; Applied in electrode avoiding electric arc breaking-off during welding; Used to produce food additives like potassium sorbate, monopotassium phosphate, etc; It is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing. It is absorbent removing hydrogen sulfide and carbon dioxide; dry powder extinguisher mixed with soda; auxiliary raw material for producing alcohol and acetone; and anti-aging agent in rubber production. Its solution is used in boiling and scouring of cotton cloth and wool's degreasing. Used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, etc.