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CAS #7758-16-9

NO.TERMSQuality standard1 AppearanceColourless, syrupy liquid2Dry substance %≥ 703Water content %≤ 304Refractive index（20℃）≥ 1.45755Specific gravity（20℃）g/ml≥ 1.2906D-Sorbitol %71-83(…

ITEMSPECIFICATIONSAPPEARACNEWHITE CRYSTALLINE POWDERCONTENT99%MIN.MELTING POINT132-135OCMOISTURENOT MORE THAN 0.5%RESIDUE ON IGNITIONNOT MORE THAN 0.1%ARSENICNOT MORE THAN 2PPMHEAVY METALS(AS PB)NOT MORE THAN 10PPMSULFATE:NOT MORE THAN 0.1%LEAD:NOT MO…

Specification For Food Grade and Industry Grade : ItemQuality IndexFood GradeIndustry GradePurity ( As Na2S2O5)98.0% min96.0% minSulfur Dioxide( SO2)65.0% min65.0% minArsenic ( As )0.0002% max-Heavy metals ( As Pb )0.0005% max-Selenium (Se )0.0005% ma…

Test ItemSpecification Glutamine %≥99.0Particle Size60meshTransmittance %≥98[α]D 20 Specific Rotation+24.90∽+25.30Loss on Drying %≤0.5PH Value6.7-7.5Iron mg/kg≤5ppmSulfate %≤0.05Arsenic≤0.5ppmLead&a…