Item

Specification

Result

Appearance

White or almost white powder

White powder

Identification

Positive

Positive

Clarity

Clear

Clear

Melting point

154—158°C

156--158°C

Specific optical rotation

+78°-- +81.5°

+80.1°

Loss on drying

1% max

0.07%

Acidity

Corresponds

Corresponds

Barium

Corresponds

Corresponds

Heavy metals

10ppm max

NMT 10ppm

Arsenic

2ppm max

NMT 2ppm

Assay

98.0%

99.2%

Total bacteria count

1000Col/g max

Pass

Yeast & mold

100Col/g max

Pass

Salmonella

Negative

Negative

E. Coli

Negative

Negative