产品描述

Appearance     White to off-white granular
Assay     99.0% - 101.0%
Loss on drying(105℃,3h)     1% Max
Heat Stability     No change in colour after heating for 90 minutes at 105℃
Acidity (as C6H8O2)     1% Max
Alkalinity (as K2CO3)     1% Max
Chloride (as Cl)     0.018% Max
Aldehydes (as formaldehyde)     0.1% Max
Sulfate (as SO4)     0.038% Max
Lead (Pb)     5 mg/kg Max
Arsenic (As)     3 mg/kg Max
Mercury (Hg)     1 mg/kg Max
Heavy metals (as Pb)     10 mg/kg Max
Organic Volatile Impurities     Meet the requirements
Residual solvents     Meet the requirements