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DL-Cysteine CAS:3374-22-9<< 返回
ItemLimit
OdourLittle bad odour and heavy acid odour
AppearanceWhite crystal or crystalline powder
State of Solution95% Min
Chloride (Cl)0.1% Max
Iron (Fe)5ppm Max
Heavy Metals (Pb)10ppm Max
Arsenic (As2O3) 1ppm Max
Other Amino Acids Not detectable
Loss on Drying 0.2% Max
Residue in Ignition 0.1% Max
Assay98% to 102%
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