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Inorganic Chemicals Potassiumcarbonatede...

Country/Region china
Company Wuhan Xingzhengshun Export and Import Trading Co., Ltd.
Categories Other Chemicals
Telephone +86-27-83493959,+86-27-83493949
ICP License Issued by the Chinese Ministry
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Inorganic Chemicals Potassiumcarbonatede...

Potassium carbonate

Molecular formula: K2CO3

Molecular weight: 138.21

Properties: it is a 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.

Spec.

Industrial Grade

Food Grade

unit

fine grade

technical grade

first grade

regular Grade

unit

standard

Purity(as K2CO3 )

% ≥

99.0

99.0

98.5

96.0

% ≥

99.0

Chloride(as KCl

% ≤

0.01

0.03

0.10

0.20

% ≤

0.01

Sulphate(as K2SO4)

% ≤

0.01

0.04

0.10

0.15

% ≤

0.01

Iron

% ≤

0.001

0.001

0.003

0.010

% ≤

0.001

nsoluble matter in water

% ≤

0.02

0.04

0.05

0.10

% ≤

0.02

Burnt loss

% ≤

0.6

0.8

1.00

1.00

% ≤

0.6

Arsenic

% ≤

0.0003

Heavy Metal(as Pb)

% ≤

0.002

st

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