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Opis: Prepared by A.S.T.M. COMMITTEE D-5 On Coal and Coke SAMPLING METHODS CHEMICAL ANALYSIS METHODS OF TESTING SPECIFICATIONS AND CLASSIFICATIONS DEFINITIONS OF TERMS Published by the AMERICAN SOCIETY FOR TESTING MATERIALS 1948 str. 156 stan db (podniszczona lekko okładka, nieaktualne pieczątki) ISBN FOREWORD This publication brings together in convenient form the various A.S.T.M. methods of testing, definitions, and specifications for coal and coke, and the standard specifications for the classification of coal according to rank and grade. Publication in this form has been made in response to the widespread demand for these specifications and methods of test in connection with the evaluation of coal. Included also as information only are eight proposed methods which are published in draft form for the purpose of soliciting comments. Such proposed methods have not been formally approved by the Society and are distinguished from the standards and tentatives by the absence of an A.S.T.M. serial designation. The Society is the recognized American agency for the standardization of methods for sampling and testing coal and coke, and some of the standards contained in this compilation also have been approved as American Standards by the American Standards Association as indicated by the symbols at the top of the title pages. Committee D-5 is engaged actively in the further improvement of the methods and specifications and in the development of additional tests, in particular for the plasticity and swelling of coal, the ignitabihty of coal and coke, and methods of sampling coal. Suggestions and criticisms will be appreciated and should be sent to the chairman of the committee, Mr. W. A. Selvig, U. S. Bureau of Mines, Pittsburgh 13, Pa. September, 1948. CONTENTS Coal Sampling Coals Classed According to Ash Content Laboratory Sampling and Analysis of Coal and Coke Sampling and Fineness Test of Powdered Coal. Sampling and Analysis of Coal for Volatile Matter Determination in Connection with Smoke Ordinances (Tentative). Test for Grindability of Coal by the Ball-Mill Method (Tentative) Test for Grindability of Coal by the Hardgrove-Machine Method (Tentative) Drop Shatter Test for Coal (Tentative) Tumbler Test for Coal. Test for Screen Analysis of Coal Designating the Size of Coal from its Screen Analysis Test for Size of Anthracite Test for Sieve Analysis of Crushed Bituminous Coal. Test for Cubic Foot Weight of Crushed Bituminous Coal. Test for Index of Dustiness of Coal and Coke Test for Free-Swelling Index of Coal Classification of Coals by Rank. Classification of Coals by Grade. Gas and Coking Coals Sieves for Testing Purposes (Wire Cloth Sieves, Round-Hole and Square-Hole Screens or Sieves). Terms Relating to Coal and Coke Terms Gross Calorific Value and Net Calorific Value of Fuels Commercial Varieties of Bituminous and Subbiluminous Coals Coke Sampling Coke for Analysis Laboratory Sampling and Analysis of Coal and Coke Test for Volume of Cell Space of Lump Coke. Drop Shatter Test for Coke Tumbler Test for Coke Test for Sieve Analysis of Coke Test for Cubic Foot Weight of Coke Test for Index of Dustiness of Coal and Coke. Sieves for Testing Purposes (Wire Cloth Sieves, Round-Hole and Square-Hole Screens or Sieves). Terms Relating to Coal and Coke Terms Gross Calorific Value and Net Calorific Value of Fuels Commercial Varieties of Bituminous and Subbituminous Coals. APPENDICES Test for Expansion Pressure of Coal During Coking. Test for Plastic Properties of Coal by the Davis Type Plastometer Test for Plastic Properties of Coal by the Gieseler Type Plastom- ' eter. Test for Carbonization Pressure of Bituminous Coal. Measurement of Pressures Developed During Carbonization of Coal by the Movable Wall Oven. Expansion Properties of Coal for Use in By-Product Coke Ovens by Means of the Bethlehem Test Oven . Test for Pressures, Strains, and Other Properties Developed During Carbonization of Coal -. Test for Agglutinating Value of Coal. |
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