Post by Admin on Feb 8, 2015 21:28:00 GMT 1
Zinc, in commerce is a chemical element with symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium: its ion is of similar size and its only common oxidation state is +2. Zinc is the 24th most abundant element in Earth's crust and has five stable isotopes.In Nigeria, Zinc and lead are usually present in ores.
In nigeria, Zinc ore is found in Plateau state, Nassarawa State, Ebonyi state. Zinc ores in Nigeria contain between 25% to 50% zinc ore. They are usually sold as lumps but can be crushed if the buyer requires it crushed. Price of crushed zinc is higher than the lump because 1 ton of zinc ore is lost to the environment when crushing 30 tons.
The metal is hard and brittle at most temperatures but becomes malleable between 100 and 150 °C.Above 210 °C, the metal becomes brittle again and can be pulverized by beating.Zinc is a fair conductor of electricity.For a metal, zinc has relatively low melting (419.5 °C, 787.1 F) and boiling points (907 °C). Its melting point is the lowest of all the transition metals aside from mercury and cadmium.
Zinc is an essential mineral perceived by the public today as being of "exceptional biologic and public health importance", especially increasingly regarding prenatal and postnatal development.Zinc deficiency affects about two billion people in the developing world and is associated with many diseases.In children it causes growth retardation, delayed ual maturation, infection susceptibility, and diarrhea.Enzymes with a zinc atom in the reactive center are widespread in biochemistry, such as alcohol dehydrogenase in humans.Consumption of excess zinc can cause ataxia, lethargy and copper deficiency.
Clients needing Zinc ores from Nigeria can send us an email on sales@kenvalitrade.com
In nigeria, Zinc ore is found in Plateau state, Nassarawa State, Ebonyi state. Zinc ores in Nigeria contain between 25% to 50% zinc ore. They are usually sold as lumps but can be crushed if the buyer requires it crushed. Price of crushed zinc is higher than the lump because 1 ton of zinc ore is lost to the environment when crushing 30 tons.
The metal is hard and brittle at most temperatures but becomes malleable between 100 and 150 °C.Above 210 °C, the metal becomes brittle again and can be pulverized by beating.Zinc is a fair conductor of electricity.For a metal, zinc has relatively low melting (419.5 °C, 787.1 F) and boiling points (907 °C). Its melting point is the lowest of all the transition metals aside from mercury and cadmium.
Zinc is an essential mineral perceived by the public today as being of "exceptional biologic and public health importance", especially increasingly regarding prenatal and postnatal development.Zinc deficiency affects about two billion people in the developing world and is associated with many diseases.In children it causes growth retardation, delayed ual maturation, infection susceptibility, and diarrhea.Enzymes with a zinc atom in the reactive center are widespread in biochemistry, such as alcohol dehydrogenase in humans.Consumption of excess zinc can cause ataxia, lethargy and copper deficiency.
Clients needing Zinc ores from Nigeria can send us an email on sales@kenvalitrade.com