L-Methionine USP24

L-METHIONINE

STANDARD: USP32

BATCH NO: 140325

BATCH QUANTITY: 1000KG

DATE OF MUFG.: 2014-03-25

EXP. DATE: 2016-03-24

REPORTING DATE: 2014-03-25

ITEMS

STANDARD

RESULT

APPEARANCE:

WHITE CRYSTAL POWDERS.

CONFORMS

ASSAY: (ON DRY BASIS)

98.5%~101.5%

99.6%

IDENTIFICATION

INFRARED ABSORPTION

CONFORMS

SPECIFIC ROTATION:

+22.4º~ +24.7º

+23.1º

PH

5.6~6.1

5.8

LOSS ON DRYING:

0.3% MAX

0.12%

RESIDUE ON IGNITION:

0.4% MAX.

0.15%

CHLORIDE:

0.05% MAX.

CONFORMS

SULFATE:

0.03% MAX.

CONFORMS

IRON

0.003%MAX.

CONFORMS

HEAVY METALS:

0.0015% MAX.

CONFORMS

CHROMATOGRAPHIC PURITY:

PASS USP TEST (0.5% MAX INDIVIDUAL IMPURITY, 2% MAX OF TOTAL IMPURITIES)

CONFORMS

RESULT: THE GOODS CONFORMS WITH USP32