Lead (Pb) is pale grey metal, odorless, tasteless, insoluble in water, not fire.Lead enters the human body and animals through the following streets: respiratory, eat and absorb through the skin.Lead and lead compounds are more toxic industries in the independent group study the nature. In the body, lead not converted, only to be transported from this Department to other departments, suffer through excretion, and buildup of sugar in some agencies with increases contact time. Therefore, the toxic effects of lead is very serious and long-lastingLead and lead compounds are poisonous lead compounds, the easier the more soluble. Even the insoluble salts of lead carbonate, sulfate salts such as when on the digestive tract also HCl in the stomach dissolves the part and toxic.
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