Product

Raw material supplier

ALPHA LIPOIC ACID

ITEMS

SPECIFICATIONS

APPEARANCE

SLIGHTLY YELLOW CRYSTAL POWDER

IDENTIFICATION

MEETS THE REQUIREMENTS

MELTING POINT

60-62℃

SPECIFIC ROTATION

-1.0°TO +1.0°

HEAVY METALS

10PPM MAX

LOSS ON DRYING

0.20% MAX

RESIDUE ON IGNITION

                0.10% MAX

LEAD

3 PPM MAX

CADMIUM

1 PPM MAX

MERCURY

0.1 PPM MAX

CHROMATOGRAPHIC PURITY

SINGLE IMPURITY

0.10% MAX

TOTAL IMPURITIES

2.0% MAX

LIMIT OF POLYMER CONTENT

CONFORMS

RESIDUAL SOLVENT BY GC

CYCLOHEXANE

1000PPM MAX

ETHYL ACETATE

250PPM MAX

TOLUENE

20PPM MAX

TOTAL PLATE COUNTS

1000CFU/G MAX

MOULDS AND YEASTS

100CFU/G MAX

E.COLI/SALMONELLA

ABSENCE/G

STAPHYLOCOCCUS AUREUS

ABSENCE/G

PARTICLE SIZE

100% THROUGH 40 MESH

LOSS BULK DENSITY

ASSAY

99%-101%