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Статистические характеристики спектрофотометрической методики определения полигексаметиленгуанидина

Authors: Chmilenko, Tatiana S.; Ivanitsa, Lidiya A.; Chmilenko, Fedor A.;

Статистические характеристики спектрофотометрической методики определения полигексаметиленгуанидина

Abstract

The interaction of two trioxyfluorone dyes disulfophenylfluorone and nitrophenylfluorone with Mo(VI) and polyhexamethyleneguanidine (PHMG) in the presense NO3–ions has been studied by optical spectroscopy. This ternary analytical system was proposed for determination of PHMG. Compositions of ternary complexes, formed in the system, were confirmed by the ternary Gibbs-Rosenbaum diagram. The optimal components ratio in complexes NPF:PHMG:Mo(VI) is 3:1:1 (at 520 nm) and 6:3:1(at 570 nm). The associate PHMG:NPF with ratio 1:2 and macrometalchelate PHMG·2Mo(VI) also records.The metals such asCu(II), V(IV), W(VI), Al(III), Co(II) do not interfere with the determination. Proposed technique allows to determine PHMG on second order nonlinear calibration curves in the concentration range of 0.1–2.0 mg/L. The limit of detection is 0.03 mg/L. Statistical treatment was carried out in accordance with ISO 8466:1-1990 and ISO 8466:2-1993.

Запропоновано аналітичну систему для визначення полігексаметиленгуанідиній хлориду (ПГМГ) із Мо(VI) та дисульфофенілфлуороному середовищі NaNO3. Співвідношення компонентів у потрійних комплексах НФФ:ПГМГ:Мо(VI) визначені за потрійною діаграмою Гіббса-Розенбома та склали 3:1:1 (520 нм) та 6:3:1 (570 нм). У потрійній системі також утворюються асоціат ПМГМ:НФФ зі співвідношенням 1:2 та макрометалохелат ПГМГ⋅2Mo(VI). Методика дозволяє визначати ПГМГ за нелінійною градуювальною характеристикою другого порядку в концентраційному інтервалі 0.1–2.0 мг/л, межа виявлення складає 0.03 мг/л. Визначенню не заважають такі метали як Cu(II), V(IV), W(VI), Al(III), Co(II). Статистичну обробку здійснено відповідно до ДСТУ ISO8466-1-2001 і ДСТУ ISO8466-2-2001.

Предложена аналитическая система для определения полигексаметиленгуанидиний хлорида (ПГМГ) с Мо(VI) и дисульфофенилфлуороном в среде NaNO3. Соотношение компонентов в тройных комплексах НФФ:ПГМГ:Мо(VI) определены по тройной диаграмме Гиббса-Розенбома и составили 3:1:1 (520 нм) и 6:3:1 (570 нм). В тройной системе также образуются ассоциат ПМГМ:НФФ с соотношением 1:2 и макрометаллохелат ПГМГ⋅2Mo(VI). Методика позволяет определять ПГМГ по градуировочной характеристике второго порядка в концентрационном интервале 0.1–2.0 мг/л, предел обнаружения составляет 0.03 мг/л. Определению не мешают такие металлы как Cu(II), V(IV), W(VI), Al(III), Co(II). Статистическая обработка была проведена в соответствии с ДСТУ ISO 8466-1-2001 и ДСТУ ISO 8466-2-2001.

Keywords

аналітична хімія, аналитическая химия, спектрофотометрія; триоксифлуорон; поліелектроліт; металополімерний комплекс; полігексаметиленгуанідиній, спектрофотометрия; триоксифлуорон; полиэлектролит; металлополимерный комплекс; полигексаметиленгуанидиний, analytical chemistry, 543.422.3+543.31, spectrophotometry; trioxyfluorone; polyelectrolyte; metal-polymer complex; polyhexamethyleneguanidine

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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