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    ASTM D4691-02(2007)

    Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry
    • 발행일 : 2007-06-15
    • 발행기관 : ASTM
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분야 11.01 : 물 (Ⅰ)
적용범위

1.1 This practice covers general considerations for the quantitative determination of elements in water and waste water by flame atomic absorption spectrophotometry. Flame atomic absorption spectrophotometry is simple, rapid, and applicable to a large number of elements in drinking water, surface waters, and domestic and industrial wastes. While some waters may be analyzed directly, others will require pretreatment.

1.2 Detection limits, sensitivity, and optimum ranges of the elements will vary with the various makes and models of satisfactory atomic absorption spectrometers. The actual concentration ranges measurable by direct aspiration are given in the specific test method for each element of interest. In the majority of instances the concentration range may be extended lower by use of electrothermal atomization and conversely extended upwards by using a less sensitive wavelength or rotating the burner head. Detection limits by direct aspiration may also be extended through sample concentration, solvent extraction techniques, or both. Where direct aspiration atomic absorption techniques do not provide adequate sensitivity, the analyst is referred to Practice D 3919 or specialized procedures such as the gaseous hydride method for arsenic (Test Methods D 2972) and selenium (Test Methods D 3859), and the cold vapor technique for mercury (Test Method D 3223).

1.3 Because of the differences among various makes and models of satisfactory instruments, no detailed operating instructions can be provided. Instead the analyst should follow the instructions provided by the manufacturer of a particular instrument.

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 specific hazard statements see Section 9.
국제분류(ICS)코드
페이지수 6
Edition 02(2007)

이력정보

No. 표준번호 표준명 발행일 상태
1 ASTM D4691-17 REDLINE상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2017-06-01 표준
2 ASTM D4691-17상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2017-06-01 표준
3 ASTM D4691-11상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2011-09-01 구판
4 ASTM D4691-02(2007)상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2007-06-15 구판
5 ASTM D4691-96상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2002-01-10 구판
6 ASTM D4691-02상세보기 Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry 2002-01-10 구판

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