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
Carbon County, Pennsylvania the Wyoming Valley and the northern sections of the Coal Region. Carbon County is the location of the trials and executions of the controversial Molly Maguires, an Irish secret society that had been accused of terrorizing the region. Carbon County has a rich history. Some interesting people have passed through her mountains, including the Moravian mystic Count Zinzendorf, Benjamin Gilbert, John James Audubon, Benjamin Franklin, and many more. Blessed with a unique geography, Carbon County dazzled the adventurous travelers of the Victorian era, just as it attracts adventurers today. Aesthetically not much has changed of this unique landscape; written in