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Inorganic Chemicals >>

Inorganic Chemicals are substances of mineral origin that do not contain carbon in their molecular structure (or certain kinds of carbon bonds) and are typically based on the most abundant chemicals on earth: oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.These chemicals and compounds have application in every aspect of the chemical industry-including catalysts, pigments, surfactants, coatings, medicine, fuel, agriculture, etc.

Biological chemicals >>

Biological chemicals are chemical from organisms, such as biological enzymes.

Macro Molecular Compound >>

Macro Molecular Compounds consist of long molecular chains of covalently bonded atoms. They are substances of high molecular weight, well above the size of the compounds considered so far. They are mainly include natural polymer and synthetic polymer.