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Determination of copper in different chloroplast preparations

AuthorsArellano, Juan B. ; Barón Ayala, Matilde; Chueca, Ana; Lachica López, Manuel
Copper determination
Electrothermal atomic absorption spectrometry
Issue DateJul-1993
CitationPlant and Soil (1993) 154:7-11
AbstractThe determination of total Cu is not often correlated with states of deficiency in plant material. This fact makes it necessary to look for biologically active Cu. Suspensions of thylakoid membranes and photosystem II particles, properly diluted with 13 mM nitric acid, were used for this purpose. The presence of a minute quantity of an antifoaming agent, such as 1-octanol, is essential when an aliquot of the slurry is injected into the graphite furnace of the atomic absorption spectrophotometer. Good agreement was obtained between our results and those obtained by a classical dry combustion method. Reproducibility was better than 5% when expressed as relative standard deviation.
Publisher version (URL)http://www.springerlink.com/content/rv68r95110kw2720/
Appears in Collections:(IRNASA) Artículos
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