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langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
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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.
add: sanghang industrial park, dacheng county,
hebei, china
tel: 86-15076659665 manager ma
fax: 86-316-5569332 
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