Coal assay Coal assay Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel. Coal comes in four main types or ranks: lignite or brown coal, bituminous coal or black coal, anthracite and graphite. Each type of coal has a certain set of physical parameters which are mostly controlled by moisture, volatile content (in terms of aliphatic or aromatic hydrocarbons) and carbon content. Moisture is an important property of
What Yo Name Iz? the U.S. Billboard Hot R&B/Hip-Hop Songs on the week of October 23, 2010. It spent 27 weeks on the chart and peaked at number 41. What Yo Name Iz? "What Yo Name Iz?" is the debut single by American rapper Kirko Bangz. The Sound M.O.B. produced song was featured on his mixtape "Procrastination Kills 3" (2011). It's also Kirko Bangz's first song to chart on the US "Billboard" charts. The official remix to "What Yo Name Iz?" features Wale, Big Sean, and Bun B. The remix was released on , before the original version. Maxrank also made a remix for