zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1498Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESСпектрофотометрический метод определения Cu(II) с использованием нового лиганда на шиффовом основанииSpectrophotometric Method for Determination of Cu(II) Using a New Schiff Base LigandMezaalE.N.MezaalE.N.

Педагогический колледж,

Багдад

Department of Chemistry, College of Education for Pure Sciences Ibn-Al-Haitham, 

Baghdad

elham.n.m@ihcoedu.uobaghdad.edu.iqSadiqK.A.SadiqK.A.

Педагогический колледж,

Багдад

Department of Chemistry, College of Education for Pure Sciences Ibn-Al-Haitham, 

Baghdad

RumezR.M.RumezR.M.

Педагогический колледж,

Багдад

Department of Chemistry, College of Education for Pure Sciences Ibn-Al-Haitham, 

Baghdad

Багдадский университет Ибн-Аль-ХайсамаUniversity of Baghdad202414022024911170170Copyright © Mezaal E., Sadiq K., Rumez R., 20242024Mezaal E., Sadiq K., Rumez R.Mezaal E., Sadiq K., Rumez R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1498

Cu(II) обнаружен с помощью быстрой и несложной процедуры на основе его реакции со свежесинтезированным лигандом с образованием оранжевого комплекса с пиком поглощения 481.5 нм в кислом растворе. Исходя из концентрации лиганда, среды, влияния последовательности присоединения, температуры и времени образования определены наилучшие условия для образования комплекса. Полученные результаты представлены в виде диаграммы рассеяния в диапазоне 0.1–9 ppm и линейны в диапазоне 0.1–7 ppm. Относительное стандартное отклонение (RSD%) для n = 8 составляет <0.5, процент восстановления (R%) в пределах допустимых значений, коэффициент корреляции r = 0.9986, коэффициент детерминации r2 = 0.9973, R2 = 99.73%. Метод может применяться для оценки ионов Cu(II) в отсутствие других мешающих ионов и в любом образце.

The Cu(II) was found using a quick and uncomplicated procedure that involved reacting it with a freshly synthesized ligand to create an orange complex that had an absorbance peak of 481.5 nm in an acidic solution. The best conditions for the formation of the complex were studied from the concentration of the ligand, medium, the effect of the addition sequence, the effect of temperature, and the time of complex formation. The results obtained are scatter plot extending from 0.1–9 ppm and a linear range from 0.1–7 ppm. Relative standard deviation (RSD%) for n = 8 is less than 0.5, recovery % (R%) within acceptable values, correlation coefficient (r) equal 0.9986, coefficient of determination (r2) equal to 0.9973, and percentage capital R-squared explained variation as a percentage/total variation (R2%) equal to 99.73. The method has been successfully applied for the estimation of Cu(II) ions without the influence of other interfering ions, and it can be applied to estimate Cu(II) in any sample.

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The authors declare that there are no conflicts of interest present.