Characteristic

White powder 

Surface Treatment 

None 

Lead

10 ppm max

Antimony

2 ppm max

Arsenic

1 ppm max

Mercury

1ppm max

Cadmium

1ppm max

Water-Soluble substance

0.25% max

Acid -Soluble substance (0.5N HCl)

0.5% max

Loss on Drying (105°C, 3 hours)

0.5% max

Loss on Ignition ( 800°C)

0.5% max

Organic Volatile ImpuritiesChloroform1,4-DioxaneDichlormethaneThichlorethylene 

 <1 ug per g<10 ug per g<1 ug per g<1 ug per g

Assay

99.0~100.5%

Specified Microbial TestEnterobacteriaceaeEscherichia ColiSalmonellaPseudomonas AeruginosaStaphylococcus AureusClostridiaCandida Albicans 

 Not DetectedNot DetectedNot DetectedNot DetectedNot DetectedNot DetectedNot Detected

Total Viable Aerobic Count TestBacteriaMouldsYeasts 

 Not DetectedNot DetectedNot Detected