Cobalt sulfate heptahydrate

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Cobalt sulfate heptahydrate CAS 10026-24-1 appears as pink or red crystals. It is stable, non-flammable, and hygroscopic and undergoes dehydration at 41°C and 71°C.Odorless.

Specification

Content                        Electronic Grade          I Grade             Special Grade

Co %≥                               20.3                         20.3                     21

Ni %≤                                0.001                       0.002                   0.002

Fe %≤                                0.001                       0.002                  0.002

Mg %≤                               0.001                       0.002                   0.002

Ca %≤                               0.001                       0.002                   0.002

Mn %≤                               0.001                       0.002                   0.002

Zn %≤                                0.001                       0.002                  0.002

Na %≤                                0.001                       0.002                  0.002

Cu %≤                                0.001                       0.002                  0.002

Cd %≤                                0.001                       0.001                  0.001

Insoluble Materials                0.01                         0.01                    0.01

Application

1.Usual source of water-soluble cobalt since it is the most economical and it shows less tendency to deliquesc or dehydrate than the chloride or nitrate. 
2.Used in storage batteries;
3.Used in Co-electroplating baths; as drier for lithographic inks, varnishes
4.Used in ceramics, enamels, glazes to prevent discoloring;
5.Used in Co pigments for decorating porcelain.

Packaging

25kg/drum,25kg/bag