Item

Superior

First

Qualified class

Purity ,%

≥*9.2

≥*9.0

≥*9.0

Choride ,(based on CI) , %

≤0.*2

≤0.*3

≤0.*3

Chlorate ,(based on CI) ,%

≤0.*2

≤0.*3

≤0.*3

Hypochlorite

None

None

None

Water insolubles ,%

≤0.*2

≤0.*3

≤0.*4

Moisture ,%

≤0.*2

≤0.*3

≤0.*4

Residues ,%

≤0.1

≤0.5

≤*1.0

PH

7±1.5

7±1.5

7±1.5

Sodium (based on NaCIO4),%

≤0.*0

None

None

Bromate (based on KBro3),%

≤0.*2

None

None

Calcium magnesium salt (based on oxide),%

≤0.*0

None

None