TESTS

STANDARDS

RESULTS

Characteristics:

A ALMOST WHITE CRYSTALLINE

A ALMOST WHITE CRYSTALLINE

POWDER, VERY SOLUBLE IN WATER,

POWDER, VERY SOLUBLE IN WATER,

SOLUBIE IN ALCOHOL

SOLUBIE IN ALCOHOL

Identification

Positive

Positive

Colour of Solution

Conforms

Conforms

Acidic or alkalinic substance

Conforms

Conforms

Related Substances

Not more than 1.0%

Less than 1.0%

Sulphate

Not more than 1.0%

Less than 1.0%

Heavy metals

Not more than 0.004%

Less than 0.002%

Loss On Drying

4.9~5.3%

5.10%

Assay

98~101.0%

99.30%