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White Crystalline Powder

White Crystalline Powder

Idenitification

Corresponds

Corresponds

Melting Point

189-193 ℃

191 ℃

PH （5%,W/V）

2.1-2.6

2.4

PH  (2%,W/V）

2.4-2.8

2.6

Specific Optical Rotation

+20.5-+21.5

+20.8

Apperance of Solution

Solution is clear and not more intensely coloured than reference solution BY7

Up to standard

Heavy Metals

Max 10 PPM

        COMPLIED

Assay

99.0-100.5%

          100%

Copper

Max 5 PPM

          0.22 PPM

Arsenic

Max 3 PPM

COMPLIED

Mercury

Max 1PPM

0.03 PPM

Lead

Max 2PPM

0.05 PPM

Less on Drying

Max 0.4%

0.05 %

Volatile Fatty Acids

Passed Test

COMPLIED

Sulphated Ash

Max 0.1%

0.04 %