Chemistry

About Enzyme Definition Enzyme is any of numerous proteins produced in living cells that accelerate or catalyze the metabolic processes of an organism. All chemical…

About Lactic Acid Definition Lactic acid is a syrupy, water-soluble organic acid formed during the fermentation of the milk sours or certain fruits. The chemical…

Preservative Definition Preservative is a substance added to food products or to organic solutions to prevent decomposition due to chemical change or bacterial action. In…

Penicillium Definition Penicillium is any of various bluish-green fungi of the genus Penicillium, that grow as molds on decaying fruits, ripening cheeses, and bread, and…

Sodium Nitrite Definition Sodium nitrite is a white crystalline compound used to lower systemic blood pressure, to relieve local vasomotor spasms, to relax bronchial and…

Nitrous Oxide Definition Nitrous oxide is a colorless, sweet-smelling gas. It is used as a mild anesthetic, often called laughing gas. Nitrous oxide occurs naturally…

Sodium Perchlorate Definition Sodium perchlorate is a white crystalline, hygroscopic solid that is highly soluble in water and in alcohol. It usually comes as the…

Perchloric Acid Definition Perchloric acid is a clear, colorless liquid that is very corrosive and, under some conditions, extremely explosive. It is a powerful oxidant…

Perchlorate Definition Perchlorate is a horrible toxin to human health and its absolute poison to the environment. According to the EPA, perchlorate is detrimental to…

Fluoride Definition Fluoride is a compound containing fluorine and another element or radical. Fluorine combines readily with nearly all the other elements, except the noble…

Oxyanion Definition Oxyanion (or oxoanion) is a chemical compound with the generic formula AxOyz−, where A represents a chemical element and O represents an oxygen…

Polyphosphate Definition Polyphosphate is a type of salt or ester of polymeric oxyanion formed from tetrahedral PO4 (phosphate) structural units connected together by sharing oxygen…