ITEMS

STANDARDS

Result

Identification:

IR

Complies

Opticalrotation

-0.05to+o.o5

+0.02

PH

4.0to 5.0

4.2

Impurity A

≤0.5%

 0.02%

Individual other impurity

≤ 0.5%

0.30%

Total impurities :

≤1.0%

 0.32%

Heavy metals:

≤10ppm

       Complies

Water

≤1.0%

 0.4%

Sulfated ash

≤0.1%

 0.070%

Assay on dry basis

 98.5%— 101.5%

99.33%

CONCLUSION:ACCORD WITH  EP7.0/BP2018