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Model Number |
Powder |
ITEMS STANDARD
APPEARANCE WHITE POWDER
IDENTIFICATION MEETS THE REQUIREMENTS
ASSAY ( ON DRY BASIS ) 98.0 -- 102.0%
SPECIFIC ROTATION[a]D20 +14.5°-- +16.5°
TRANSMITTANCE NOT LESS THAN 95%
LOSS ON DRYING NOT MORE THAN 4.5%
HEAVY METALS ( AS Pb ) NOT MORE THAN 10PPM
PH DATA 4.5 ? 6.0
ARSENIC ( AS As ) NOT MORE THAN 3PPM
RESIDUE ON IGNITION NOT MORE THAN 0.2%
ORGANIC VOLATILE IMPURITIES MEETS THE REQUIREMENTS
5-BENZYL-3, 6-DIOXO-2-PIPERAZI NOT MORE THAN 1.5%
NEACETIC ACID
OTHER RELATED SUBSTANCES NOT MORE THAN 2.0%
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