ALT (SGPT) Test. This blood test measures an enzyme called alanine transaminase (ALT). Enzymes are chemicals that help the cells of your body work. ALT is an enzyme made in the liver. It is released into the blood when tissues are damaged. This enzyme is also called serum glutamic-pyruvic transaminase, or SGPT.
Iron and steel slags are coproducts of iron and steel manufacturing. In the production of iron, the blast furnace is charged with iron ore, fluxing agents, usually limestone and dolomite, and coke as fuel and the reducing agent. The iron ore is a mixture of iron oxides, silica, and alumina.
noun. 1 [mass noun] Stony waste matter separated from metals during the smelting or refining of ore: the burning liquid iron was forming a scum of slag. More example sentences. 1  The hardened matter was slag, a waste product from metal working, and contained evidence of iron, copper and lead manufacture.2  In highly developed countries, the major components of industrial waste are blast furnace and steel slag, and power station ash. [no object] (usually as noun slagging) Produce deposits of slag: the furnace burns at a minimum temperature to reduce slagging. 2 [with object] British informal Criticize (someone) in an abusive and insulting manner: my girlfriend was always slagging him off. More example sentences.