About Zinc/Primary Zinc 98.50

Zinc is also known as spelter, is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element in group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is +2. Zinc is the 24th most abundant element in the Earth's crust and has five stable isotopes. The most exploited zinc ore is sphalerite, a zinc sulfide. The largest exploitable deposits are found in Australia, Asia, and the United States. Zinc production includes froth flotation of the ore, roasting, and final extraction using electricity.
Zinc is an essential mineral of "exceptional biologic and public health importance" Zinc deficiency affects about two billion people in the developing world and is associated with many diseases.

Element

Composition % (m/m)

Zn

Min 98.55%

Pb

Min1.33%

Cd

Max50 ppm

Fe

Max250 ppm

Cu

Max250 ppm

Sb

Max150 ppm

As

Max 200 ppm

Ag

Max 100 ppm