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langfang tianke biotechnology
professional production base of general chemical reagent and pharmaceutical accessories
hotline: 86-15076659665
products
products
cobalt sulfate anhydrous

molecular formula: coso4·7h2o
molecular weight: 281.01
properties: red crystal with a little brown yellow. specific gravity is 1.948. soluble in water and glycerin, slightly soluble in ethyl alcohol.
uses: in producing cobalt sales, paint driers, additives for alkaline storage battery, and etc.
standard:

specification/item

工业

assay [co] /%

≥20

water insoluble matter/%

≤0.02

chloride (cl) /%

≤0.1

nitrate (no3)

≤0.1

manganese (mn)

≤0.05

iron (fe) /%

≤0.005

nickel (ni)

≤0.1

zinc (zn)

≤0.05

heavy metal(cu) /%

≤0.02

packing: plastic woven bag lined with plastic bag, kraft paper bag, or fiber drum, 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 
e-mail:
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