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ASTM E342-24

Current Revision

Standard Test Method for Determination of Chromium Oxide in Chrome Ores by Permanganate Titrimetry

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1.1 This test method covers the determination of chromium oxide (Cr2O3) in chrome ores in the compositional range from 25 % to 60 %.

Note 1: As used in this test method, “%” refers to a mass fraction (g/100g).

1.2 The values stated in SI units are 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


5.1 This test method is intended to test for compliance with compositional specifications for chromium oxide content in chromium-bearing ores. It is assumed that all who use these procedures will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory and that proper waste disposal procedures will be followed. Appropriate quality control practices must be followed such as those described in Guide E882.

SDO ASTM: ASTM International
Document Number E342
Publication Date Oct. 1, 2024
Language en - English
Page Count 3
Revision Level 24
Supercedes
Committee E01.02
Publish Date Document Id Type View
Oct. 1, 2024 E0342-24 Revision
April 1, 2023 E0342-23 Revision
Dec. 1, 2011 E0342-11 Revision
May 1, 2004 E0342-04 Revision
Nov. 10, 1999 E0342-99 Revision
Nov. 15, 2016 E0342-11R16 Reaffirmation