Items Standard Description White or yellowish-white crystalline powder Identification Positive Melting point About 198 Clarity 1FTU Solution Y5 BY5 or GY5 Acidity 0.2ml/g Related substances 0.5% Heavy metals 20ppm Loss on drying 0.5% Sulphated ash 0.1% Assay 99.0 101.0% The dried substance
