Item

Standard(BP2007)

Test Result

Characteristics

A white or almost white crystalline powder

Conform

Identification

Should meet related requirements

Conform

Appearance of solution

Should meet related requirements

Conform

PH

3.5∼5.5

4.5

Specific optical rotation

 +135°∼+150°

+142°

Lincomycin B

≤5.0%

2.5%

Heavy metals

≤5PPM

Confirm

Sulphated ash

≤0.5%

0.10%

Water

3.1%∼4.6%

3.7%

Bacterial Endotoxins

<0.51U/mg

<0.51U/mg

Assay                              

89.5%∼102.0%

96.8%