1) Iodide Chemical, KI
2) CAS NO : 7681-11-0
3) Color : White Crystalline
4) Mesh : 16
Specification
Tests
Limits
Description
A white crystalline powder.
Solubility
Very soluble in water, freely soluble in glycerol, soluble in alcohol.
Identification
Test (A)
Test (B)
Gives reaction of Iodides.
Gives reaction of Potassium.
Appearance of Solution
A 10% w/v solution in carbondioxide free water is clear and colourless.
Alkalinity
Not more than 0.5 ml of 0.01 M HCL
Iodates
No blue colour is developes.
Sulphates
Not more than 150 ppm.
Thiosulphates
A blue colour is produced.
Heavy Metals
Not more than 10 ppm.
Iron
Not more than 20 ppm.
Loss on drying
Not more than 1.0%.
Assay (on dried basis)
Between 99.0% to 100.5%
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