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- W2267244575 abstract "The redox behavior of a palladium(II)-3,4-bis(2-hydroxyphenyl-imino) cyclobut-1-en-1,2-diol complex at Pt, Au and hanging mercury drop electrodes (HMDE) was studied for developing a low cost and precise method for determination of Pd concentration in road dust and other environmental samples. Hence, a controlled adsorptive accumulation of this complex on HMDE provided the basis for adsorptive cathodic stripping voltammetric (AdCSV) measurements of palladium at nanomolar levels at pH 9–10 and at0.64 V vs. the Ag/AgCl reference electrode. The calibration plot was obtained in the range of 1.87 109 to 3.05 107 M (0.2 to 32.5 mgL1) Pd. The limit of detection was found to be 4.70 1010 M (0.05 mgL1), with a relative standard deviation (RSD) of 2.1% (n ¼ 5) at 2.0 mgL1 Pd level. Common anions and cations did not interfere in the determination of Pd concentration. The method was applied to the determination of the concentration of Pd in pure authentic samples, roadside dust and water samples. The method offers a simple system coupled with good reproducibility, accuracy, ruggedness and cost effectiveness." @default.
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- W2267244575 date "2014-01-01" @default.
- W2267244575 modified "2023-09-27" @default.
- W2267244575 title "التصرف والإدمصاص الكاثودى المجزء لتقدير مستويات البالديوم غير المعيارى باستخدام طريقة جديدة لمحلول شيف القاعدى الذى يحتوى على تموعات تربيعية حمضية" @default.
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