Items

Standard USP32

Description

White Crystalline Powder

Identification

(1)IR Absorption

(2)Chloride, Sodium, Sulfate test

(3)HPLC

Specific Rotation(25°C)

+47.00°~+53.00°

Residue on Ignition

26.50~31.00%

Loss on Drying

<1.0%

pH(2%,25°C)

3.00~5.00

Sodium

Meet Requirement 

Heavy Metal

<10ppm

Arsenic

<5ppm

Lead

<2ppm

Mercury

<1.5ppm

Cadminum

<2ppm

Content of sulfate

15.5%~16.5%

Organic volatile impurities

Meet Requirement  

Assay

98.00~102.00%

Total plate count

MAX 1000cfu/g

Yeast&mold

MAX 100cfu/g

Salmonella

negative

E.Coli

negative