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 Appearance: white or white crystalline powder. 
Quality index: European standard -93 (first grade), JIS (first grade), AP21 (1985), Top grade. 
Uses: Widely used in medicine, dyestuff, chemicals and organic synthesis, and also used for the analysis of rare metal. 
Storage: Moistureproof and avoid light, sealed storage 
Packing: plastic bag lined woven bag Net wt 25kg  |