Characteristics

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 Impurities
Chloroform
1,4-Dioxane
Dichlormethane
Thichlorethylene 

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

Assay

99.0~100.5%

Specified Microbial Test
Enterobacteriaceae
Escherichia Coli
Salmonella
Pseudomonas Aeruginosa
Staphylococcus Aureus
Clostridia
Candida Albicans 

 
Not Detected
Not Detected
Not Detected
Not Detected
Not Detected
Not Detected
Not Detected

Total Viable Aerobic Count Test
Bacteria
Moulds
Yeasts 

 
Not Detected
Not Detected
Not Detected