ITEMS

SPECIFICATION

RESULTS

APPEARANCE

COLORLESS CRYSTALS OR WHITE CRYSTALLINE POWDER,ODORLESS,

WHITE CRYSTALLINE POWDER,ODORLESS

IDENTIFICATION

INFRARED ABSORPTION

CONFORMS WITH THE SPECTRUM OF RS

CONFORMS WITH RS

THE REACTION OF SULPHATES

SHOULD BE POSITIVE

POSITIVE

INSPECTION

MELTING TEMPERATURE

NOT LESS THAN 187

193.0

OPTICAL ROTATION

-0.60°~ +0.05°

+0.001°

ACIDITY

NOT MORE THAN 0.30ML

0.15ML

WATER CONTENT

NOT MORE THAN 4.0%

3.09%

RESIDUE ON IGNITION

NOT MORE THAN 0.2%

0.05%

RESIDUAL SOLVENT IMPURITIES

ACETONE

NOT MORE THAN 0.25%

0.001%

OTHER ALKALOIDS

MEETS THE REQUIREMENTS

MEETS THE REQUIREMENTS

ASSAY

98.5%~101.0% CALCULATED ON THE DRIED BASIS

100.3%

CONCLUSION: CONFORM TO USP32