PRODUCT NAME: L-LEUCINE USP24

EXPIRY DATE: 2 YEARS

ITEMS

LIMITS

DESCRIPTION

WHITE CRYSTALS OR CRYSTALLINE POWDER

PH

5.5-7.0

ASSAY %

≥98.5

SPECIFIC ROTATION

+14.9°~ +17.3°

RESIDUE ON IGNITION %

≤0.3

LOSS ON DRYING  %

≤0.3

CHLORIDE (CL) %

≤0.05

IRON (FE) %

≤0.003

SULFATE (SO4)%

≤0.03

HEAVY METALS %

≤0.0015

LEAD(PB) MG/KG

≤0.5

CADMIUM(CD)

≤1

ARSENIC(AS)

≤1

MERCURY(HG)

≤0.1

TOTAL PLATE COUNT cfu/g

≤2000

YEAST AND MOLDS cfu/g

≤100

E.COIL (MPN/g)

≤30

STAPHYLOCOCCUS

NEGATIVE IN 25G

SALMONELLA

NEGATIVE IN 25G