ASTM-D720 2004

$40.63

D720-91(2004)e1 Standard Test Method for Free-Swelling Index of Coal

Published By	Publication Date	Number of Pages
ASTM	2004	5

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Category: ASTM

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Description

1.1 This test method is a small-scale test for obtaining information regarding the free-swelling properties of a coal. The results may be used as an indication of the caking characteristic of the coal when burned as a fuel. This test is not recommended as a method for the determination of expansion of coals in coke ovens.

1.2 Breathing of asbestos dust is hazardous. Asbestos and asbestos products present demonstrated health risks for users and for those with whom they come into contact. In addition to other precautions, when working with asbestos-cement products, minimize the dust that results. For information on the safe use of chrysoltile asbestos, refer to, Safe Use of Chrysotile Asbestos: A Manual on Preventive and Control Measures.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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 Significance and Use Apparatus
2	Calibration FIG. 1
3	Preparation of Sample Procedure FIG. 2 FIG. 3
4	FIG. 4 FIG. 5
5	Report Precision and Bias Keywords