Items

Specification

Appearance:

White crystalline

Taste:

Hard salty

Odor:

Characteristic

Solubility(10% water solution/20 celsius degree):

Clear

Specific rotation(25celsius degree):

52 to 56 celsius degree

Residue on ignition:

23.8-25.7%

Loss on drying:

Not more than 0.5%

pH value(5% , 25celsius degree)

3.5-4.5

Chloride:

11.90-12.80%

Iron:

Not more than 10ppm

Heavy metals:

Not more than 10ppm

Arsenic:

Not more than 1ppm

Assay:

98.00-104.00%

Microbial:

Total bacterial count:

Yeast & moulds:

Escherichia coli:

Salmonella:

Staphylococcus aureus:

Not more than 1,000CFU/g

Not more than 300CFU/g

Negative

Negative

Negative

Particle size:

100% pass 40 mesh sieve