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ASTM-D4371:2006 Edition

ASTM-D4371:2006 Edition

$40.63

D4371-06 Standard Test Method for Determining the Washability Characteristics of Coal

Published By Publication Date Number of Pages
ASTM 2006 10
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1.1 This test method describes procedures for determining the washability characteristics of coarse-coal fractions and fine-coal fractions. Each sample being tested can have more than one coarse-coal size fraction and more than one fine-coal size fraction (see Annex A1). Each such size fraction has an upper size limit and a lower size limit, neither of which overlaps with the next larger nor smaller size fraction. (See Test Method D 4749.)

1.2 While, in general, this test method has useful application in determining the washability characteristics of low-rank coals, in the strictest sense, it is not necessarily the most technically correct test method to determine washability characteristics of low-rank coals because of problems relative to the loss of moisture through drying during sample preparation and analysis. Methods that are directly applicable to low-rank coals are to be developed.

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

This standard does not purport to address 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. For specific hazard statements, see Section 8 and Appendix X1.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Test Method
3 Significance and Use
Apparatus
Reagents and Materials
TABLE 1
4 Hazards
Sampling and Test Specimens
FIG. 1
5 FIG. 2
FIG. 3
6 Preparation of Apparatus
Calibration and Standardization
Procedure A, Coarse Coal
7 Procedure B, Fine Coal
Precision and Bias
8 Keywords
A1. SELECTION OF PARTICLE SIZE
A1.1
A2. ORGANIC LIQUIDS
A2.1
A2.2
A2.3
A2.4
9 A2.5
A2.6
A2.7
A3. PILOT TESTING
A3.1
A3.2
A3.3
A3.4
X1. INFORMATION CONCERNING SAFETY PRECAUTIONS REGARDING THE USE OF ORGANIC LIQUIDS
X1.1 Precautions
X1.2 Choosing an Alternative Organic Liquid
10 X1.3 Materials Used in Construction of the Float/Sink Apparatus
REFERENCES

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