Chemical

Chemical is a compound or substance that has been purified or prepared, especially artificially. A chemical substance is a form of matter having constant chemical composition and characteristic properties. Chemical substance analysis is generally carried out to determine what elements are present in some materials e.g., water, waste, bodily fluids and minerals. Antibodies against chemicals have been used in various analytical processes. https://neutab.creative-biolabs.com/category-chemical-36.htm