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Normas ASTM – AENOR
ASTM D1691-95

ASTM D1691-95

Standard Test Methods for Zinc in Water

Fecha:
2021-03-02 /Historical
Superseeded by:
Scope:

1.1 These test methods cover the determination of zinc in water. Two test methods are given as follows:

Sections
Test Method A-Atomic Absorption, Direct0.05 to 2 mg/L8-16
Test Method B-Atomic Absorption, Chelation-Extraction20 to 200 μg/L17-25

1.2 Either dissolved or total recoverable zinc may be determined.

1.3 These test methods have been used successfully with reagent grade water. See the specific test method for applicability to other matrices. It is the user's responsibility to assure the validity of these test methods in other matrices.

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 specific hazard statements, see Section 6 and Note 5, Note 8, and Note 13.

1.5 Two former colorimetric test methods were discontinued. Refer to Appendix X1 for historical information.

Keywords:
atomic absorption; chelation; flame; water; zinc
51,73
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