ASTM-D4326 2011(Redline)

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D4326-11 Standard Test Method for Major and Minor Elements in Coal and Coke Ash By X-Ray Fluorescence (Redline)

Published By	Publication Date	Number of Pages
ASTM	2011	5

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Categories: 75.160.10 - Solid fuels, ASTM

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Description

Significance and Use

A compositional analysis of ash is used in describing the quality of coal for its complete characterization. Ash composition is useful in predicting slagging and fouling characteristics of combusted materials as well as the potential utilization of ash by-products.

The chemical composition of laboratory prepared coal or coke ash is rarely, if ever, representative of the composition of the mineral matter in the coal because the ashing process can alter some minerals. However, it can approximate the composition of the fly ash and slag resulting from commercial combustion of coal or coke.

1. Scope

1.1 This test method covers the analysis of the commonly determined major and minor elements in ash from coal or coke using X-ray fluorescence (XRF) techniques.

Note 1—Test Method D1757 is used for determination of sulfur.

Note 2—Although not included in the present method, the determination of barium, strontium, and manganese may be required to yield adequate totals.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D121 Terminology of Coal and Coke D1757 Test Method for Sulfate Sulfur in Ash from Coal and Coke D3174 Test Method for Ash in the Analysis Sample of Coal and Coke from Coal E2 Methods of Preparation of Micrographs of Metals and Alloys (Including Recommended Practice for Photography As Applied to Metallography); Replaced by E 883 E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

Keywords

coal; coal ash; major elements; minor elements; X-ray fluorescence; Aluminum oxide (Al2O3) content–coal/coke ash; Calcium oxide (CaO) content–coal and coke ash; Coal ash; Coke ash; Iron oxide content–coal/coke ash; Magnesium oxide (MgO) content–coal and coke ash; Phosphorus pentoxide content–coal/coke ash; Potassium oxide (K2O) content–coal/coke ash; Silicon dioxide (SiO2) content–coal/coke ash; Sodium oxide (Na2O) content–coal/coke ash; Spectroscopy–X-ray fluorescence (XRF); Titanium dioxide (TiO2) content–coal and coke ash; XRF (X-ray fluorescence) ;

ICS Code

ICS Number Code 75.160.10 (Solid fuels)

DOI: 10.1520/D4326-11 ASTM International is a member of CrossRef.

ASTM D4326 (Coal Standards and Gas Standards)

Citing ASTM Standards

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Additional information

Standard Title	D4326-11 Standard Test Method for Major and Minor Elements in Coal and Coke Ash By X-Ray Fluorescence (Redline)
Published Code	ASTM
Publication Date	2011
Pages Count	5
ICS Codes	75.160.10 - Solid fuels

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ASTM-D4326 2011(Redline)

ASTM D4326 (Coal Standards and Gas Standards)

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