Determination of trace amounts of copper, zinc and magnesium in animal feeds by atomic-absorption spectrophotometry
- 1 January 1968
- journal article
- Published by Royal Society of Chemistry (RSC) in The Analyst
- Vol. 93 (1102) , 42-49
- https://doi.org/10.1039/an9689300042
Abstract
An automated method for the determination of copper, zinc and magnesium in animal feeding stuffs by atomic-absorption spectrophotometry is described. Samples are prepared by a dry-ashing method that permits a rapid, accurate and economic assessment of these elements. Analyses are carried out at a rate of 60 samples per hour, with a maximum coefficient of variation of 4 per cent. for each element.Keywords
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