Appearance

White crystalline powder

Purity %

99.0 MIN

M.P.(DSC)

44-48°C

Total volatility

≤0.20%

Insoluble

≤0.05%

Ignition residues

≤0.05%

PH: 25°C in water

7.20-9.70

Water %

≤1

Chlorine ion, ppm

≤10

Sodium ion,ppm

≤10

Silicium ion,ppm

≤10

Copper ion,ppm

≤1

Ash,ppm

≤5

Heavy metals total content,ppm

≤20

Packing

25kg/drum.