Standard Historical Last Updated: Jul 07, 2021 Track Document
ASTM D512-12

Standard Test Methods for Chloride Ion In Water (Withdrawn 2021)

Standard Test Methods for Chloride Ion In Water (Withdrawn 2021) D0512-12 ASTM|D0512-12|en-US Standard Test Methods for Chloride Ion In Water (Withdrawn 2021) Standard new BOS Vol. 11.01 Committee D19
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Significance and Use

Chloride ion is under regulation in waste water, and must, therefore, be measured accurately. It is highly detrimental to high-pressure boiler systems and to stainless steel, so monitoring is essential for prevention of damage. Chloride analysis is widely used as a tool for estimating the cycles of concentration, such as in cooling tower applications. Processing waters and pickling solutions used in the food processing industries also require dependable methods of analysis for chloride.

Scope

1.1 These test methods cover the determination of chloride ion in water, wastewater (Test Method C only), and brines. The following three test methods are included:

Sections

Test Method A (Mercurimetric Titration)7 to14
Test Method B (Silver Nitrate Titration)15 to 21
Test Method C (Ion-Selective Electrode Method)22 to 29

1.2 Test Methods A, B, and C were validated under Practice D2777 77, and only Test Method B conforms also to Practice D2777 86. Refer to Sections 14, 21, and 29 for further information.

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

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 and health practices and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see 26.1.1.

1.5 A former colorimetric test method was discontinued. Refer to Appendix X1 for historical information.

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Details
Book of Standards Volume: 11.01
Developed by Subcommittee: D19.05
Pages: 9
DOI: 10.1520/D0512-12
ICS Code: 13.060.50