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Standard Test Methods for Ammonia Nitrogen In Water
| 분야 | 11.01 : 물 (Ⅰ) | ||||||
|---|---|---|---|---|---|---|---|
| 적용범위 | 1.1?These test methods cover the determination of ammonia nitrogen, exclusive of organic nitrogen, in water. Two test methods are included as follows:
1.2?Test Method A is used for the routine determination of ammonia in steam condensates and demineralizer effluents. 1.3?Test Method B is applicable to the determination of ammonia nitrogen in the range from 0.5 to 1000 mg NH3N/L directly in reagent and effluent waters. Higher concentrations can be determined following dilution. The reported lower range is based on multiple-operator precision. Lower limits have been obtained by two of the twelve laboratories participating in the round robin. 1.4?Both test methods A and B are applicable to surface and industrial waters and wastewaters following distillation. The test method for distillation given in Appendix X1 has been used in the past to meet requirements for predistillation of samples being analyzed for ammonia. 1.5?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6?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. 1.7?The distillation method now appears as Appendix X1 and is provided as nonmandatory information only. The automated colorimetric phenate method has been discontinued. 1.8?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. |
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| 국제분류(ICS)코드 | 13.060.50 : 화학 물질에 대한 물의 시험 | ||||||
| 페이지수 | 8 | ||||||
| Edition | 15(2021)e1 |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ASTM D1426-15(2021)e1 | Standard Test Methods for Ammonia Nitrogen In Water | 2021-11-01 | 표준 |
| 2 | ASTM D1426-15 | Standard Test Methods for Ammonia Nitrogen In Water | 2015-03-15 | 구판 |
| 3 | ASTM D1426-15 REDLINE | Standard Test Methods for Ammonia Nitrogen In Water | 2015-03-15 | 구판 |
| 4 | ASTM D1426-08 | Standard Test Methods for Ammonia Nitrogen In Water | 2008-08-15 | 구판 |
| 5 | ASTM D1426-03 | Standard Test Methods for Ammonia Nitrogen In Water | 2003-06-10 | 구판 |
| 6 | ASTM D1426-98 | Standard Test Methods for Ammonia Nitrogen In Water | 1998-12-10 | 구판 |
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