Sodium Chloride IP

TEST

Description 

White or colorless crystals or white crystalline powder

Solubility

Freely soluble in water, slightly more soluble in boiling water, practically insoluble in ethanol.

Identification

(A)   (B)   Gives the reaction of salts

Appearance of solution 

Solution is clear and colorless

Acidity or alkalinity

NMT 0.5 ml is required 0.01M NaOH or 0.01M HCL.

Arsenic 

NMT 1 ppm

Bromides

NMT 100 ppm

Ferro cyanide

No blue color is produced within 10 minutes

Heavy metals

NMT 5 ppm

Iodide

The substance shows no blue color after 5 min.

Sulphates

NMT 300 ppm

Barium

No Turbidity produced within 2hr

Iron 

NMT 20 ppm

Calcium & Magnesium

NMT 50 ppm

Loss on Drying

NMT 1.0 % W/W

Assay

99.0% TO 100.5% ODB