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Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1960)

Low-temperature carbonization assays of coals and relation of yields to analyses

Determining phosphorous in coal and coke :evaluation of volumetric, colormetric, and gravimetric methods

Using a centrifuge for float-and-sink testing fine coal

Analyses of tipple and delivered samples of coal :collected during fiscal year 1961

Analyses of tipple and delivered samples of coal :collected during the fiscal year 1962

Coking-rate study on a commercial blend of western coals

Advances in coal spectrometry :mass spectrometry

Densimetric method in studying coal and coke structure

Bulk density studies on a commercial blend of western coking coals

Analyses of tipple and delivered samples of coal :collected during the fiscal year 1963

Influence of certain processing variables on the determination of moisture in coal

Heat content and specific heat of coals and related products

Analyses of tipple and delivered samples of coal collected during fiscal year 1964

Phosphorus, chlorine, sodium, and potassium in U.S. coals

Analyses of tipple and delivered samples of coal :collected during the fiscal year 1965

Reaction of coal in argon and argon-hydrogen plasmas

Sulfur content of United States coals

Direct determination of oxygen in coal

Method for determination of fluorine in coal

Electrochemical reduction of coal

Chemical reactions produced by exposing coal derivatives to ultrasonic energy

Chloroform extractions of coals and chars

Spectrochemical analysis of coal ash

Gamma irradiation of coal

Analysis of mineral matter in coals by x-ray fluorescence

Colorimetric method for arsenic in coal

Analyses of tipple and delivered samples of coal :collected during fiscal year 1967

Major ash constituents in U.S. coals

A microscope system using automated reflectance scanning to study coal components :application to analysis of pyrite distribution

Chlorine in coal combustion

Spectrochemical analyses of coal ash for trace elements

Analyses of tipple and delivered samples of coal :collected during fiscal year 1969

Evaluating sulfur and ash distribution in coal seams by statistical response surface regression analysis

Prediction of coal grindability from exploration data

Colorimetric determination of beryllium in coal

Analyses of tipple and delivered samples of coal :collected during fiscal year 1970

Analysis for mercury in coal

Forecasting the properties of coal seams in place

Analyses of tipple and delivered samples of coal :collected during the fiscal year 1971

Analyses of tipple and delivered samples of coalcollected during fiscal year 1973

Analyses of tipple and delivered samples of coal :collected during fiscal year 1972

Characterization of the valence state of iron in coal dust

Analysis of trace elements in coal by spark-source mass spectrometry

Continuous monitoring of coal by a neutron moisture meter

Fast pulse processing for gamma-ray spectroscopy

Analyses of tipple and delivered samples of coal:collected during fiscal year 1974

Analyses of tipple and delivered samples of coalcollected during fiscal year 1975

Analyses of tipple and delivered samples of coalcollected during the period July 1975 through September 1976

Direct method determination of the gas content of coal : procedures and results


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