产品描述

Appearance     White or whitelike powder
Assay     >=2.0%
Loss on Drying     =<6.0%
Seive Analysis     >=95% through No. 20 (US)
WATER (%)     =<1.5 TEST METHOD Karl Fisher
Heavy metals     =<10mg/kg
Arsenic     =<2mg/kg
Pb     =<2mg/kg
Cadmium     =<2mg/kg
Mercury     =<2mg/kg