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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
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Sodium bicarbonate

Sodium bicarbonate

Molecular formula: NaHCO3
Molecular weight: 84.01
Properties: White crystalline powder. Relative density is 2.20. It breaks up at about 50℃ and turns into sodium carbonate at 100℃. Soluble in water and slightly soluble in ethyl alcohol.
Uses: As analytical reagent and buffer agent. It can be used in organic synthesis and pharmaceutical industry.
Standard: The maximum content of impurities is in percentage content

Standard/item

Analytical pure-AR

Chemical pure-CP

Assay

≥99.8

≥99.8

Clarity test

Qualified

Qualified

Water insoluble matter

≤0.01

≤0.02

Chloride and chlorate (Cl)

≤0.002

≤0.005

Sulfur compound (SO4)

≤0.005

≤0.01

Nitrogen compound (N)

≤0.001

≤0.002

Phosphate (PO4)

≤0.002

≤0.005

Silicate (SiO3)

≤0.005

≤0.01

               Magnesium (Mg)

≤0.003

≤0.005

                Potassium (K)

≤0.01

≤0.02

                Aluminium (Al)

≤0.01

≤0.02

                Calcium (Ca)

≤0.007

≤0.01

                Iron (Fe)

≤0.001

≤0.002

               Heavy metal (Pb)

≤0.001

≤0.002

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

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Langfang Tianke Biotechnology Co., Ltd.
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