Item

Specifications

Results

Specific optical rotation[a]D20

(anhydrous)

+27.4°~~+29.2°

+29°

State of solution

Not less than 95.0%

98%

Test for calcium

10.8~14.5%

12%

Chloride (Cl)

≤200PPm

not more than400PPm

Ammonimum (NH4)

≤200 PPm

not more than200 PPm

Sulfate (SO4)

≤200 PPm

not more than200 PPm

Iron (Fe)

≤10 PPm

not more than10 PPm

Lose on dry

≤19%

            15.4%

Arsenic (As2O3)

≤1 PPm

not more than 1 PPm

Assay

(anhydrous)

98%~~102.0%

Qualified