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- W2389966552 abstract "A new method of determing trace amount of Cr(Ⅵ) and total chromium in water by graphite furnace atomic absorption spectrometry after cloud point extraction with ammonium pyrrolidine dithiocarbamate(APDC) was proposed.The effect of experimental conditions such as pH and concentration of reagents on cloud point extraction and determination sensitivity was discussed.The chemical variables affecting the separation phase and extraction recovery were optimized.Under the optimum conditions,pre-concentration of only 10 mL of sample in the presence of 0.05% Triton X-114 permitted the detection of 0.021 μg/L(3σ) for chromium.The enhancement factor was 20 for chromium.The proposed method had been applied to the determination of Cr(Ⅵ) and total chromium in water samples and obtained satisfactory recoveries." @default.
- W2389966552 created "2016-06-24" @default.
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- W2389966552 date "2008-01-01" @default.
- W2389966552 modified "2023-09-23" @default.
- W2389966552 title "Determination of trace chromium (VI) and total chromium in water samples by furnace atomic absorption spectrometry after cloud point extraction" @default.
- W2389966552 hasPublicationYear "2008" @default.
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