Sodium carbonate anhydrous 497-19-8


Product Deail


Sodium carbonate anhydrous

【Another name】Sodium carbonate.

【Description】White particles or powders that gradually absorb water in the air become monohydrates. Relative density 2.532, decomposition at 400℃, melting point 851℃. Soluble in water, insoluble in ethanol, aqueous solution is alkaline.

Test item

GR

AR

CP

Other

Assay(Na2CO3) /%

≥99.8

≥99.8

≥99.8

Custom

Clarity of solution /#

≤2 ≤3 ≤4

Water insoluble /%

≤0.005

≤0.01

≤0.02

Loss on ignition(300℃) /%

≤0.5

≤1.0

≤1.0

Chloride(Cl) /%

≤0.001

≤0.002

≤0.005

Sulfur compound(SO4) /%

≤0.003

≤0.005

≤0.01

Total nitrogen(N) /%

≤0.001

≤0.001

≤0.002

Phosphates and silicates(as SiO3) /%

≤0.002 5

≤0.006

≤0.013

Magnesium(Mg) /%

≤0.000 5

≤0.002

≤0.005

Potassium(K) /%

≤0.005

≤0.005

≤0.02

Aluminum(Al) /%

≤0.001

≤0.003

≤0.01

Calcium(Ca) /%

≤0.005

≤0.01

≤0.02

Iron(Fe) /%

≤0.000 3

≤0.000 5

≤0.001

Heavy metals (as Pb) /%

≤0.000 5

≤0.000 5

≤0.001

【UseUsed as analytical reagent; Reference reagent; Decomposition of sample solvents; Precipitating agent; Buffer; Preparation of sodium salts; Sodium glass and film printing and washing; Raw materials for making non-stick cookers; Electronic industry; Pharmaceutical excipients; Synthesis of high purity inorganic salts; Water softener.