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ASTM E649-24

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Standard Test Method for Bromine in Chlorine

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1.1 Bromine can be analyzed over a range with an upper limit of 280 µg/kg by this method, but may be applicable to a wider range. The limit of detection is 4 µg bromine/kg chlorine and the limit of quantitation is 13 µg bromine/kg chlorine.

Note 1: The LOD and LOQ were calculated based on Table 1.

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 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E29.

1.4 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. Specific hazard statements are given in Section 7.

1.5 Warning—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety. Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first-aid procedures, handling, and safety precautions.

1.6 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 Low levels of bromine contaminant in chlorine cause problems in some industrial uses. This test method may be used to determine bromine in liquid or gaseous chlorine at levels as low as 4 ug/kg.

SDO ASTM: ASTM International
Document Number E649
Publication Date Oct. 1, 2024
Language en - English
Page Count 8
Revision Level 24
Supercedes
Committee D16.13
Publish Date Document Id Type View
Oct. 1, 2024 E0649-24 Revision
July 1, 2017 E0649-17A Revision
March 1, 2017 E0649-17 Revision
April 1, 2005 E0649-00R05E01 Revision
April 10, 2000 E0649-00 Revision
Aug. 1, 2011 E0649-00R11 Reaffirmation
April 1, 2005 E0649-00R05 Reaffirmation