ASTM D4239-04a

Standard Test Methods for Sulfur in the Analysis Sample of Coal and Coke Using High Temperature Tube Furnace Combustion Methods (Includes all amendments And changes 8/16/2017).

Automatically translated name:

Standard Test Methods for Sulfur in the Analysis Sample of Coal and Coke Using High Temperature Tube Furnace Combustion Methods

STANDARD published on 1.7.2004

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The information about the standard:

Designation standards: ASTM D4239-04a
Note: WITHDRAWN
Publication date standards: 1.7.2004
SKU: NS-26535
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D4239-04a :

Keywords:

coal, coke, tube furnace, combustion

Additional information

1. Scope

1.1 These test methods cover two alternative procedures using high-temperature tube furnace combustion methods for the rapid determination of sulfur in samples of coal and coke.

1.2 These test methods appear in the following order:

	Sections

Method A—High-Temperature Combustion Method with Acid Base Titration Detection Procedures	6-9
Method B—High-Temperature Combustion Method with Infrared Absorption Detection Procedures	10-12

Note 1—High Temperature Combustion Method with Iodimetric Detection procedures, formally Method B in the 2000 version of this standard is still a viable method that may be used.

1.2.1 When automated equipment is used to perform any of the two methods of this test method, the procedures can be classified as instrumental methods. There are several manufacturers that offer to the coal industry equipment with instrumental analysis capabilities for the determination of the sulfur content of coal and coke samples.

1.3 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. See 7.8 and 11.2.

2. Referenced Documents

D346-25	Standard Practice for Collection and Preparation of Coke Samples for Laboratory Analysis
D2013-07	Standard Practice for Preparing Coal Samples for Analysis
ISO 11722	Solid Mineral Fuels-Hard Coal - Determination of Moisture in the general analysis test sample by drying in nitrogen
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
D7448-16	Standard Practice for Establishing the Competence of Laboratories Using ASTM Procedures in the Sampling and Analysis of Coal and Coke (Withdrawn 2024)
D3180-25	Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
D3176-24	Standard Practice for Ultimate Analysis of Coal and Coke
D3173-11	Standard Test Method for Moisture in the Analysis Sample of Coal and Coke
D7582-24	Standard Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis

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