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UDK: 543:542.2

2008. - V. 22. - N 3(83). - P. 39-43

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New express methods for determination of Fe(II) and Co (II) implementing nitroso-R-salt as a reagent immobilized on a polymeric gel are developed. A possibility of increasing sensitivity by concentrating analyte in a polymeric gel support is shown. Both spectrophotometric and coloristic approaches to getting analytical signal are carried out to elaborate color scales for visual test-indication of cobalt and iron. Approved is the usefulness of the methods in the analysis water of Moscow waterpipe and technological solutions (test-indication of iron and cobalt) and biological liquids (e.g. iron in the human blood plasma). A correctness of the determination is assessed on model solutions by a method "added - found" as well as on real objects by a method of additives. Prospects of practical application of the developed the test-methods are encouraging.

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ТЕСТ-ОПРЕДЕЛЕНИЕ КОБАЛЬТА(II) И ЖЕЛЕЗА(III) С ИСПОЛЬЗОВАНИЕМ КОНЦЕНТРИРОВАНИЯ В ПОЛИМЕРНЫХ ГЕЛЯХ. ВОЗМОЖНОСТИ И ПЕРСПЕКТИВЫ ПРАКТИЧЕСКОГО ПРИМЕНЕНИЯ

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