The highest mountain in the world is Mount Everest. Its peak rises to 8,848 m (29,028 ft 9 in) â the highest point in the world.
The objective of proximate analysis indicates the percentage by weight of the Fixed Carbon, Volatiles, Ash, and Moisture Content in coal. The amounts of fixed carbon and volatile combustible matter directly contribute to the heating value of coal.
By Richard M. O'Leary. ABSTRACT. The methods for the determination of mercury and selenium in whole coal by cold-vapor atomic absorption spectrometry (CVAAS) and hydride-generation atomic absorption spectrometry (HGAAS) are described.The Argonne Premium Coal samples were analyzed in triplicate to determine the precision of the method.ike mercury, selenium can be determined by a number of different instrumental techniques such as GFAAS, NAA, and hydride-generation atomic absorption spectrometry (HGAAS). Of the AAS techniques, hydride generation is the technique of choice because it is relatively interference free as compared to GFAAS.