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Copper sulfate

 

GOST 19347-99

Brand ‘A’ (best grade – 99.1%, first grade – 98.0%)

Brand ‘Б’ (best grade – 98.1%, first grade – 96.0%, second grade – 93.1%)

Production cycle: 

  • neutralization of acid copper-bearing solutions in oxidizers with the use of copper granules;
  • cleaning and filtering the neutral copper-bearing solutions;
  • evaporation and crystallization of cleaned solutions;
  • centrifugation, spinning and drying to obtain the finished copper sulfate.

Application range:

Copper sulfate is used to produce other compounds, in medicine, food industry, at making mineral paints, and in agriculture as an antiseptic, fungicide, and fertilizer.

Form and packaging:

Packaged in plastic or polypropylene bags (50 kg).

The copper sulfate is made according to requirements of GOST 19347 of the brands: ‘A’ and ‘Б’.

Description

Standard for the brand

‘A’

‘Б

Top grade

First grade

Top grade

First grade

Second grade

Mass fraction of copper sulfate:

- in terms of CuSO4 x 5H2O, %, no less than

99,1

98,0

98,1

96,0

93,1

- in terms of Cu, %, no less than

25,22

24,94

24,97

24,43

23,67

Mass fraction of iron, %, no more than

0,02

0,04

0,04

0,05

0,10

Mass fraction of free sulfuric acid, %, no more than

0,20

0,25

0,20

0,25

0,25

Mass fraction of water-insoluble residue, %, no more than

0,03

0,05

0,05

0,05

0,10

Mass fraction of arsenic, %, no more than

0,002

0,012

0,012

0,012

0,028

 

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