ASTM D6721-01(2015)

ASTM D6721-01(2015) - 1.1.2015

Significance and Use

4.1 This test method permits measurements of the chlorine content of coals.

1. Scope

1.1 This test method covers the determination of total chlorine in coal.

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

D3180-25	Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
D4621-99	Standard Guide for Quality Management in an Organization That Samples or Tests Coal and Coke
D5142-09	Standard Test Methods for Proximate Analysis of the Analysis Sample of Coal and Coke by Instrumental Procedures (Withdrawn 2010)
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
ISO 5725-6:1994	Accuracy of measurement methods and results-Part 6: Use in practice of accuracy values Available from International Organization for Standardization 1 Rue de Varemb, Case Postale 56, CH-1211, Geneva 20, Switzerland
D2013-07	Standard Practice for Preparing Coal Samples for Analysis
D3173-11	Standard Test Method for Moisture in the Analysis Sample of Coal and Coke