产品描述

Appearance     Colorless or white crystal
Content,%     97.5-100.5
Arsenic  =<%     0.0003
Fluorine  =<%     0.003
Heavy metals(As Pb)   =<%     0.002
Lead   =<%     0.001
Loss on drying,%     10.0-13.3
Acid-insoluble substance=<%     0.2
Alkalinity     According with the test
Easy carbony substance     According with the test
Identification A     Meet the erquirement
Identification B     Meet the erquirement
Mercury =< PPM     1
Yeast =<     10/g
Mold =<     10/g
E.Coli     Absendt in 30g
Salmonella     Absendt in 25g