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ASTM International, 09/01/2012
Publisher: ASTM
File Format: PDF
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Published:01/09/2012
Pages:7
File Size:1 file , 110 KB
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1.1 These test methods cover the determination of zinc in water. Two test methods are given as follows:
Test Method
Concentration Range
Sections
A-Atomic Absorption, Direct
0.05 to 2 mg/L
8-16
B-Atomic Absorption, Chelation-Extraction
20 to 200 μg/L
17-25
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 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are mathematical conversions and may not be exact equivalents; therefore, each system shall be used independently of the other.
1.5 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 6, Note 10, and Note 16.
1.6 Two former colorimetric test methods were discontinued. Refer to Appendix X1 for historical information.
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