ASTM International - ASTM D512-12
Standard Test Methods for Chloride Ion In Water (Withdrawn 2021)
| Organization: | ASTM International |
| Publication Date: | 15 June 2012 |
| Status: | inactive |
| Page Count: | 9 |
| ICS Code (Examination of water for chemical substances): | 13.060.50 |
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... View More
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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