Items

Standard

Appearance

Pale yellow fine powder

Odor

Odorless

Identification

IR spectrum

Assay(HPLC)

98.00%min

Loss on Drying

1.00% max

Ash

0.2% max

Melting point

297-298℃

Heavy metal

10ppm max

Arsenic

2ppm max

Lead

3ppm max

Cadmium

1ppm max

Mercury

0.1ppm max

Total Plate Count

1000cfu/g max

Yeast ＆ Mold

100cfu/g max

E.coli

Negative

Salmonella

Negative

Staphylococcus Aureus

Negative