Its use is strictly regulated in most countries. Cation A positively charged ion. Chelation Chelation is the solubilization of a metal salt by forming a chemical complex or sequestering. Chlorocarbon An organic chemical composed of chlorine and carbon, e.g., carbon tetrachloride. The long-term toxicity of a product in small, repeated doses.
Chronic toxicity can often take many years to determine.
Cleaning The removal of soil or unwanted matter from a surface to which it clings. A method used to determine the flashpoint of a liquid or volatile solid. COD Chemical oxygen demand, a test that measures the potential capacity for a microorganism to react with oxygen. Colloid A substance that remains suspended in a solution or fails to settle out of solution. Composite A resin combined with another material such as glass fiber in such a way that the resulting product has improved physical properties.