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Название: Simultaneous spectrophotometric determination of chromium(VI) and iron (III) by H-point standard addition method
Авторы: Larionova, Ekaterina Vladimirovna
Bulygina, K. A.
Ключевые слова: спектрофотометрическое определение; хром; железо; добавки; сплавы; органические реагенты
Дата публикации: 2016
Издатель: IOP Publishing
Библиографическое описание: Larionova E. V. Simultaneous spectrophotometric determination of chromium(VI) and iron (III) by H-point standard addition method / E. V. Larionova, K. A. Bulygina // IOP Conference Series: Materials Science and Engineering. — 2016. — Vol. 110 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2015) : International Scientific Conference, 31 August to 10 September 2015, Tomsk, Russia : [proceedings]. — [012079, 5 p.].
Аннотация: In this work the possibility of simultaneous spectrophotometric determination of chromium (VI) and iron (III) in alloys with help of the mixed organic reagent (diphenylcarbazide and 1,10-phenanthroline) is studied. We have applied Н-point standard addition method to determine concentrations of chromium (VI) and iron (III) from the mixture. The pure signals of complexes of chromium (VI) with diphenylcarbazide and iron (III) with the 1,10-phenanthroline and their calibration plots are previously carried out. We established the possibility of simultaneous determination of chromium (VI) and iron (III) in the different concentration ranges by Н-point standard addition method. Correctness of determination of concentration by means of the offered technique is proved by "added-found" method for a series of mixtures with different ratios of concentration of chromium (VI) and iron (III). It is founded that the error of determination of concentration doesn't exceed 33 %..
URI: http://earchive.tpu.ru/handle/11683/18090
Располагается в коллекциях:Материалы конференций

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