Search Results - "Yaroslav R. Bazel"

Vortex-assisted liquid-liquid microextraction procedure for iodine speciation in water samples by Zaruba, Serhii, Bozóová, Veronika, Vishnikin, Andriy B., Bazeľ, Yaroslav R., Šandrejová, Jana, Gavazov, Kiril, Andruch, Vasil

“…A novel, sensitive and selective method for the spectrophotometric determination of the basic inorganic iodine species was developed based on the…”
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Simultaneous determination of rutin and ascorbic acid in a sequential injection lab-at-valve system by Al-Shwaiyat, Mohammed khair E.A., Miekh, Yuliia V., Denisenko, Tatyana A., Vishnikin, Andriy B., Andruch, Vasil, Bazel, Yaroslav R.

“…[Display omitted] •Simultaneous determination of two reducing agents in pharmaceuticals.•Improvement of precision and sensitivity in a sequential injection…”
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Highly sensitive sequential injection determination of p-aminophenol in paracetamol formulations with 18-molybdodiphosphate heteropoly anion based on elimination of Schlieren effect by Vishnikin, Andriy B., Al-Shwaiyat, Mohammed K.E.A., Petrushina, Galina A., Tsiganok, Ludmila P., Andruch, Vasil, Bazel, Yaroslav R., Sklenářová, Hana, Solich, Petr

“…► Determination of p-aminophenol with 18-molybdodiphosphate by SIA method. ► A new strategy has been proposed to reduce the Schlieren effect. ► Careful…”
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11-Molybdobismuthophosphate—A new reagent for the determination of ascorbic acid in batch and sequential injection systems by Vishnikin, Andriy B., Svinarenko, Tatyana Ye, Sklenářová, Hana, Solich, Petr, Bazel, Yaroslav R., Andruch, Vasil

“…The guanidinium salt of the new heteropolymolybdate 11-molybdobismuthophosphate Gua 6PBiMo 11O 40 (11-MBP) was synthesized, characterized and used as a reagent…”
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Sequential injection determination of orthophosphate as ion associate of 12-molybdophosphate with Astra Phloxine by Khlyntseva, Svitlana V., Vishnikin, Andriy B., Al-Shwaiyat, Mohammed K.E.A., Sklenářová, Hana, Solich, Petr, Bazel, Yaroslav R., Andruch, Vasil

“…A simple and fast reaction between 12-molybdophosphate heteropoly anion and the polymethine dye Astra Phloxine was used for the development of a new SIA method…”
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Investigation of 2-[(E)-2-(4-diethylaminophenyl)-1-ethenyl]-1,3,3-trimethyl-3H-indolium as a new highly sensitive reagent for the spectrophotometric determination of nitrophenols by Shkumbatiuk, Roman, Bazel, Yaroslav R, Andruch, Vasil, Török, Marcel

“…A new, simple, rapid, and sensitive spectrophotometric method has been developed for the determination of nitrophenols [picric acid (PA); dinitrophenols (DNP)]…”
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Rapid, sensitive and selective spectrophotometric determination of phosphate as an ion associate of 12-molybdophosphate with Astra Phloxine by VISHNIKIN, Andriy B, AL-SHWAIYAT, Mohammed Khair E. A, BAZEL, Yaroslav R, ANDRUCH, Vasil

“…A highly sensitive and selective reaction of 12-molybdophosphate with the polymethine dye Astra Phloxine has been used for the spectrophotometric determination…”
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Use of dye aggregation phenomenon for spectrophotometric and SIA-LAV determination of bismuth(III) as a specific ion association complex between tetraiodobismuthate and Astra Phloxine by Hedjazi, Mehieddine, Vishnikin, Andriy B., Okovytyy, Sergiy I., Miekh, Yuliia V., Bazel, Yaroslav R.

“…•Spectrophotometric and SIA-LAV methods are developed for bismuth(III) determination.•Changes in the absorption spectra are associated with phenomenon of dye…”
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Simultaneous determination of two active components of pharmaceutical preparations by sequential injection method using heteropoly complexes by Mohammed Khair E. A. Al-Shwaiyat, Tatyana A. Denisenko, Sergey V. Zaruba, Andriy B. Vishnikin, Ludmila P. Tsiganok, Vasil Andruch, Yaroslav R. Bazel

“…New approach has been proposed for the simultaneous determination of two reducing agents based on the dependence of their reaction rate with…”
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ОДНОВРЕМЕННОЕ КИНЕТИЧЕСКОЕ ОПРЕДЕЛЕНИЕ АСКОРБИНОВОЙ КИСЛОТЫ И АНАЛЬГИНА В ФАРМАЦЕВТИЧЕСКИХ ПРЕПАРАТАХ МЕТОДОМ МНОГОКРАТНЫХ ДОБАВОК H-POINT by Al-Shwaiyat, Mohammed E. A., Denisenko, Tatyana A., Miekh, Yuliia V., Vishnikin, Andriy B., Bazel, Yaroslav R.

“…Предложен новый подход для одновременного кинетического определения аскорбиновой кислоты и анальгина методом стандартных добавок H-point, основанный на разнице…”
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Sequential injection spectrophotometric determination of analgine in pharmaceutical formulations using 18-molybdo-2-phosphate heteropoly anion as chromogenic reagent by Mohammed Khair E. A. Al-Shwaiyat, Andriy B. Vishnikin, Ludmila P. Tsiganok, Ekaterina V. Kabashnaya, Svetlana A. Khmelovskaya, Vasil Andruch, Yaroslav R. Bazel, Hana Sklenářová, Petr Solich

“…Simple, sensitive and selective sequential injection analysis (SIA) method for the analgine determination has been developed on the basis of fast reaction…”
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Одночасне визначення двох активних компонентів фармацевтичних препаратів послідовно інжекційним методом з використанням гетерополікомплексів by Al-Shwaiyat, Mohammed Khair E. A., Denisenko, Tatyana A., Zaruba, Sergey V., Vishnikin, Andriy B., Tsiganok, Ludmila P., Andruch, Vasil, Bazel, Yaroslav R.

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Спектрофотометричне визначення анальгіну методом послідовного інжекційного аналізу в фармацевтичних препаратах з використанням як хромогенного реагенту 18-молібдо-2-фосфорного гетерополіаніону by Al-Shwaiyat, Mohammed Khair E. A., Vishnikin, Andriy B., Tsiganok, Ludmila P., Kabashnaya, Ekaterina V., Khmelovskaya, Svetlana A., Andruch, Vasil, Bazel, Yaroslav R., Sklenářová, Hana, Solich, Petr

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