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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 | , |
| , | ||
| Test Method A—,Atomic Absorption—,Chelation-ExtractionA | , , , ,1 to 10 μ,g/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 μ,g/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.