zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1435Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESУФ-спектрофотометрический экспресс-метод определения октадециламинаNovel Method for Rapid Determination of Octadecylamine Using UV SpectrophotometryLuM.LuMiao

Синин, Цинхай, Пекин

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai; Beijing

MaL.MaLiang

Синин, Цинхай, Пекин

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai; Beijing

YeX.YeXiushen

Синин, Цинхай

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai

yexs@isl.ac.cnLiuH.LiuHaining

Синин, Цинхай

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai

YaoQ.YaoQiuli

Цзуньи

Department of Pharmacy

WuZ.WuZhijian

Синин, Цинхай

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai

yexs@isl.ac.cnLiM.LiMingzhe

Синин, Цинхай

Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Provincial Key Laboratory of Resources and Chemistry of Salt Lakes

Xining, Qinghai

Цинхайский институт соленых озер, Китайская академия наук; Университет Китайской академии наук (UCAS)Qinghai Institute of Salt Lakes, Chinese Academy of Sciences; University of Chinese Academy of Science (UCAS)Цинхайский институт соленых озер, Китайская академия наукQinghai Institute of Salt Lakes, Chinese Academy of SciencesМедицинский университет ЦзуньиZunyi Medical University202325112023905805805Copyright © Lu M., Ma L., Ye X., Liu H., Yao Q., Wu Z., Li M., 20232023Lu M., Ma L., Ye X., Liu H., Yao Q., Wu Z., Li M.Lu M., Ma L., Ye X., Liu H., Yao Q., Wu Z., Li M.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/1435

Разработан быстрый УФ-спектрофотометрический метод определения октадециламина с использованием нингидрина в качестве хромогенного реагента. Оптимизированы pH раствора, концентрация нингидрина, температура, время нагревания и сосуществующие ионы. При оптимальных условиях уравнение линейной регрессии A = 0.0108c – 0.0179, калибровочная кривая линейна в диапазоне концентраций ~1.0–50 мг/л с коэффициентом корреляции (R2) 0.9970. Разработанный метод с высокой точностью, хорошей повторяемостью и экономичностью может быть успешно применен для обнаружения октадециламина в пробах на любой стадии флотации калия из рапы соленых озер.

A new, rapid UV spectrophotometry method (UV) for the determination of octadecylamine using ninhydrin as a chromogenic reagent was developed. The solution pH, concentration of ninhydrin, temperature, heating time and coexisted ions have been optimized. Under the optimal conditions, the linear regression equation was A = 0.0108c – 0.0179, and the calibration curve demonstrated linearity over a concentration range of ~1.0–50 mg/L with a correlation coefficient (R2) of 0.9970. The developed method with a high degree of precision and accuracy, good repeatability and cost effectiveness, can be successfully applied for the detection of octadecylamine in the samples of any stage of the potassium flotation process from the salt lake brine.

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