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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
Professional production base of general chemical reagent and pharmaceutical accessories
Hotline:+86-15076659665
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Sodium carbonate

Sodium carbonate

Molecular formula: Na2CO3
Molecular weight: 105.99
CAS NO:497-19-8
Properties: White powder. Relative density is 2.532. Breaks down at 400℃. Melting point is 851℃. Easily soluble in water, insoluble in ethyl alcohol.
Uses: As analytical reagent and standard reagent. In preparing sodium salts, soda glasses, optical glasses, and etc.
Standard:

Standard/item

Analytical pure-AR

Chemical pure-CP

Assay(Na2CO3) /百分比

≥99.8

≥99.8

Clarity test

Qualified

Qualified

Water insoluble matter

≤0.01

≤0.02

Drying loss

≤1.0

≤1.0

Chloride(Cl)

≤0.002

≤0.005

Sulfur compound(SO4)

≤0.005

≤0.01

Nitrogen compound(N)

≤0.001

≤0.002

Phosphate and silicate(SiO3)

≤0.006

≤0.013

Magnesium (Mg)

≤0.002

≤0.005

Aluminium (Al)

≤0.003

≤0.01

Potassium (K)

≤0.005

≤0.02

Calcium (Ca)

≤0.01

≤0.02

Iron (Fe)

≤0.0005

≤0.001

Heavy metal(Pb)

≤0.0005

≤0.001

Packing: Woven bag, kraft bag or fiber drum lined with plastic, net weight is 25kg.

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Langfang Tianke Biotechnology Co., Ltd.
Add: Sanghang Industrial Park, Dacheng County,
Hebei, China
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