产品描述

APPEARANCE    :WHITE GRANULAR OR POWDER

ASSAY (ON DRY BASIS)    :98.00%-102.00%

TASTE    PURE

SPECIFIC ROTATION    +14.50°~+16.50°

TRANSMITTANCE    95.0% MIN

ARSENIC( AS)    3PPM MAX

LOSS ON DRYING    4.50% MAX

RESIDUE ON IGNITION    0.20% MAX

L-a-ASPARTY-L-PHENYLALAINE    0.25% MAX

PH    4.50-6.00

L-PHENYLALANINE    0.50% MAX

HEAVY METAL( PB)    10PPM MAX

CONDUCTIVITY    30 MAX

5-BENZYL-3,6-DIOXO-2-PIPERAZINEACETIC ACID    1.5% MAX

OTHER RELATED SUBSTANCES    2.0% MAX

FLUORID( PPM)    10 MAX

PH VALUE    3.5-4.5