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ASTM E465-24

Current Revision

Standard Test Methods for Determination of Manganese (IV) in Manganese Ores by Redox Titrimetry

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1.1 These test methods cover the determination of manganese dioxide in amounts commonly found in manganese ore. The determination measures the amount of manganese (IV) present in the sample. The result may be expressed as available oxygen or as manganese dioxide. The following test methods are included and may be used interchangeably:

 

Sections

 

  Test Method A (Ferrous Ammonium Sulfate)

9 – 13

  Test Method B (Periodate (Sodium Oxalate)

14 – 18

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.


4.1 This test method is intended to test for compliance with compositional specifications for manganese dioxide content in manganese 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 shall be followed, such as those described in Guide E882.

SDO ASTM: ASTM International
Document Number E465
Publication Date Oct. 1, 2024
Language en - English
Page Count 4
Revision Level 24
Supercedes
Committee E01.02
Publish Date Document Id Type View
Oct. 1, 2024 E0465-24 Revision
April 1, 2023 E0465-23 Revision
Sept. 1, 2011 E0465-11 Revision
Nov. 10, 2000 E0465-00 Revision
May 1, 2017 E0465-11R17 Reaffirmation
Oct. 1, 2005 E0465-00R05 Reaffirmation