Abstract
The 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.
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Reprinted from Plant and Soil 154: 7–11, 1993.
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Arellano, J.B., Baron, M., Chueca, A., Lachica, M. (1993). Determination of copper in different chloroplast preparations. In: Fragoso, M.A.C., Van Beusichem, M.L., Houwers, A. (eds) Optimization of Plant Nutrition. Developments in Plant and Soil Sciences, vol 53. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2496-8_5
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DOI: https://doi.org/10.1007/978-94-017-2496-8_5
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