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Issue 1, 1999
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Selection and evaluation of sequential extraction procedures for the determination of phosphorus forms in lake sediment

Abstract

In order to achieve comparable measurements in the determination of phosphate forms in freshwater sediments, the Standards, Measurements and Testing Programme (formerly BCR) of the European Commission has launched a project the first step of which was to select and evaluate collaboratively existing extraction procedures. This was carried out through expert consultations and a literature survey, and was followed by the organisation of a first interlaboratory study for the evaluation of four sequential extraction schemes, one of which was selected as the most promising method for achieving comparability. This scheme, a modified version of the Williams protocol, was further tested in a second interlaboratory study. The so-called SMT extraction scheme seems promising and will provide, in the near future, a valuable tool for water managers in the field of lake restoration. It will be particularly helpful in estimating the stock of P potentially available, hence the risk of eutrophication due to internal P release.

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Article type: Paper
DOI: 10.1039/A807778I
Citation: J. Environ. Monit., 1999,1, 51-56
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    Selection and evaluation of sequential extraction procedures for the determination of phosphorus forms in lake sediment

    V. Ruban, J. F. López-Sánchez, P. Pardo, G. Rauret, H. Muntau and Ph. Quevauviller, J. Environ. Monit., 1999, 1, 51
    DOI: 10.1039/A807778I

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