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Standard Test Methods for Cadmium in Water
STANDARD published on 1.9.2012
Designation standards: ASTM D3557-12
Note: WITHDRAWN
Publication date standards: 1.9.2012
SKU: NS-24051
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
atomic absorption, cadmium, chelation, differential pulse anodic stripping, flame, graphite furnace, voltammetry, water, ICS Number Code 13.060.50 (Examination of water for chemical substances)
Significance and Use | ||||||||||||||||||||||||||||||||||
4.1 The test for cadmium is necessary because it is a toxicant and because there is a limit specified for cadmium in potable water in the National Interim Primary Drinking Water Regulations. This test serves to determine whether the cadmium content of potable water is above or below the acceptable limit. |
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1. Scope | ||||||||||||||||||||||||||||||||||
1.1 These test methods cover the determination of dissolved and total recoverable cadmium in water and wastewater by atomic-absorption spectrophotometry and differential pulse anodic stripping voltammetry.2 Four test methods are included as follows:
1.2 Test Method B can be used to determine cadmium in brines. It is the user's responsibility to ensure the validity of these test methods for waters of untested matrices. 1.3 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. 1.4 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. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||
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