項(xiàng)目Item
測(cè)試標(biāo)準(zhǔn)Test Criterion
Appearance
White or light yellow powder
Purity(HPLC)
min 98.0%
Sodium content
≤1.0%
pH value in water(100mg/ml)
2.0~4.0
Water content
≤3.0%
Heavy metals
≤10ppm
Arsenic(As)
≤2ppm
Lead(Pb)
Mercury(Hg)
≤1ppm
Cadmium(Cd)
≤0.5ppm
Solvent residue
Ethanol≤5000ppm
Total Plate Count
NMT 1000cfu/g
Yeast & Mold
Assay (On dried basis)
≥95.0%
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