Analysis Contents

Analysis Standard

Analysis Result

Characteristics

White or almost White Crystals Crystalline Power

Pass

Identification

Positive Reaction

Positive

Melting Point

About 190

190.9

PH

2.1-2.6

2.43

Clarity of Solution

Clear

Clear

Colour of Solution

≤BY7

Copper

≤5ppm

<5ppm

Heavy Metals

≤10ppm

<10ppm

Mercury

≤1ppm

<1ppm

Lead

≤2ppm

<2ppm

Arsenic

≤3ppm

<3ppm

Oxalic Acid

≤0.2%

<0.2%

Iron

≤2ppm

<2ppm

Loss of Drying

≤0.4%

<0.4%

Sulphate Ash

≤0.1%

<0.1%

Specific Optical Rotation

+20.5°- +21.5°

+21.0°

Mesh

40-80 mesh

Pass

Organic Volatile Impurities

Pass

Pass

Assay

99.0% - 100.5%

99.9%

Conclusion

The Above Mentioned product conforms to BP2011/USP34