Determination of Chromium, Cobalt, Iron, Manganese, and Nickel in Silver by Atomic Absorption Spectrophotometry
- 1 July 1970
- journal article
- spectrometry
- Published by Taylor & Francis in Analytical Letters
- Vol. 3 (7) , 373-383
- https://doi.org/10.1080/00032717008058568
Abstract
The determination of chromium, cobalt, iron, manganese and nickel by atomic absorption spectrophotometry in silver and silver alloys has been investigated. Samples containing from 2 μg to more than 500 μg in a two-gram sample of silver can be determined by using the same procedure. A series of twenty samples for each element at different concentrations gave an average standard deviation from linear regression analysis of 2.1% for iron, 1.97% for chromium, 2.9% for nickel, 1.6% for manganese and 2.8% for cobalt. The time required for analysis of these five elements in a two-gram sample, including sample dissolution and standard preparation, is approximately three and a half hours.Keywords
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