With the development of modern industry, human development, smelting and manufacturing of heavy metals are increasing, resulting in serious environmental pollution. Heavy metals in the environment pose a serious threat to human health through water, vegetables, fruits, fish, poultry and other ways.
Common elements are:
Lead | Chromium | Iron | Zinc |
Mercury | Tin | Manganese | Magnesium |
Arsenic | Nickel | Potassium | Calcium |
Cadmium | Copper | 钠odium | Selenium |