Sodium Carbonate Anhydrous

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Other name: 

Sodium Carbonate Anhydrous 
sodium carbonate
Calcined soda
Sodium carbonate,(trace metal basis)
Carbonic acid disodium salt,Soda ash
Sodium carbonate

 

CAS No.: 497-19-8

Molecular Formula: 

Na2CO3

Molecular Weight: 105.99
 

Characters: colorless transparent crystal, can be easily weathered, easily soluble in water, insoluble in ethanol, aqueous solution is highly basic.

Specifications:

Sodium Carbonate Anhydrous A.R. C.P. BP2007
Assay(Na2CO3)% ≥99.8 ≥99.8 ≥99.8
Clarification Examination Pass Pass Pass
Water insoluble% ≤0.01 ≤0.02
Residue on Ignition(300℃)% ≤1.0 ≤1.0
Chlorides(Cl) % ≤0.002 ≤0.005 ≤0.0125
Sulphates(SO4) % ≤0.005 ≤0.01 ≤0.025
Nitrogen compound(N) % ≤0.001 ≤0.002
Phosphate and Silicate(SiO3))% ≤0.006 ≤0.013
Magnesium (Mg)% ≤0.002 ≤0.005
Aluminum (Al) % ≤0.0003 ≤0.01
Potassium (K)% ≤0.005 ≤0.02
Calcium (Ca)% ≤0.01 ≤0.02
Arsenic (As)% ≤0.0005
Iron (Fe)% ≤0.0005 ≤0.001 ≤0.005
Loss on drying(%)  ≤1.0
Heavy metals (as Pb) % ≤0.0005 ≤0.001 ≤0.005
Alkali Hydroxide and Bicarbonates Conform

Product Usage: As analytical reagent, such as standard reagent, precipitator and buffering agent; used in the preparation of sodium salt and photofinishing.

Packaging: 25Kg/woven bag with double PE liners

Storage Precautions: Protect against fire, rain, damage or pollution.

Sodium Carbonate Anhydrous


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