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Aviso:

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Fecha edición:

2018-02-01

Anulada

Fecha cancelación:

2018-02-01

Idiomas disponibles:

Inglés

Resumen:

Keywords:

atomic absorption; chelation-extraction; graphite furnace; silver; water;

Scope:

1.1 These test methods cover the atomic absorption determination of silver in water. Section 34 on Quality Control pertains to these test methods. Three test methods are given as follows:

	Concentration Range	Sections

Test Method A—Atomic Absorption—Chelation-Extraction^A	1 to 10 μg/L	7 – 15
Test Method B—Atomic Absorption—Direct	0.1 to 10 mg/L	16 – 24
Test Method C—Atomic Absorption—Graphite Furnace	1 to 25 μg/L	25 – 33

(A) Similar to that in Brown, E., Skougstad, M. W., and Fishman, M. J., “Methods for Collection and Analysis of Water Samples for Dissolved Minerals and Gases,” Techniques of Water-Resources Investigations of the U.S. Geological Survey, Book 5, Chapter A1, 1970, p. 46.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversion to inch-pound units that are provided for information only and are not considered standard.

1.3 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 precautionary statements are given in 11.5, 11.12.1, 13.8, and 22.1.

1.4 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.

ICS:

13.060.50 - Determinación de sustancias químicas en el agua

CTN:

D19.05 - D19.05

Anulaciones Normas

Anula a D3866-12

Otras Relaciones

Es referenciada por D4382-18

Es referenciada por D1971-16R21E01