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Carbonizing tests with Tuscaloosa oven 1952-53

Washability characteristics of coals from the Black Mesa Field, Ariz.

Analyses of tipple and delivered samples of coal :collected during fiscal year 1954

Analyses of tipple and delivered samples of coal :collected during fiscal year 1955

Washability characteristics of coal from San Juan County, N. Mex.

Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1958)

Evaluation of an acid-extraction method for determining mineral matter in American coals

Solvent extraction of coals by abietic acid at atmospheric pressure

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

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


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