ASTM-D4749 2002

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D4749-87(2002)e1 Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size

Published By	Publication Date	Number of Pages
ASTM	2002	10

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Category: ASTM

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Description

1.1 This test method covers procedures for determining the sieve analysis of coal and designating the size of coal from sieve analysis data. Raw as well as prepared (crushed, cleaned or screened) coals can be tested by this test method.

1.2 This test method explains how to designate coal sizes from the results of sieve analysis data in order to represent the condition of the coal as sold. In the case of special mixtures or coals with noncontinuous ranges of sizes, a sufficiently complete sieve analysis must be made to properly describe the size distribution.

1.3 This test method is not applicable for determining the sieve analysis nor for designating the size of pulverized coal. Size fractions down to and including 38 m (No. 400 U.S.A. Standard Series) can be treated by the methods discussed in this test method. Methods for handling size fractions below 38 m (No. 400) will be developed by this committee.

1.4 The values stated in metric units shall be regarded as standard. The values shown in parentheses are provided for information only. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Descriptions of Terms Specific to this Standard
2	Significance and Use Apparatus
3	Standard Series of Sieves
4	TABLE 1 TABLE 2
5	Gross Sample Weight of Gross Sample Preparation and Division of Gross Sample into Test Sample for Sieving TABLE 3
6	Sample Preparation Procedure
8	Calculation
9	Graphic Presentation of Test Results Size Designation
10	Report Precision and Bias Keywords

Additional information

Standard Title	D4749-87(2002)e1 Standard Test Method for Performing the Sieve Analysis of Coal and Designating Coal Size
Published Code	ASTM
Publication Date	2002
Pages Count	10

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ASTM-D4749 2002

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