Items

Specification

Appearance:

White crystalline powder

Taste:

Hard salty

Odor:

Characteristic

Solubility:

20% Minimum soluble in 20 Celsius degree water

Specific rotation:

48.0 to 53.0

Residue on ignition:

27.8-29.8%

Loss on drying:

Not more than 0.5%

pH value:

3.5-4.5

Na⁺ (by flame test):

Did not find

Chloride:

11.10-12.10%

Iron:

Not more than 10ppm

Heavy metals:

Not more than 10ppm

Arsenic:

Not more than 1ppm

Assay:

98-104%