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122  Articles
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This paper describes an experimental investigation in aqueous solution of the equilibria between gallium (III) metal ions and acetate ions as a model of low-molecular-weight ligand using potentiometric techniques under physiological conditions of temperat... see more

Role of Pharmacologically important compounds (Nicotinamide and Penicillamine) as ligand has been focused on the coordination complexes with with transition metal ions such as Fe(II), Co(II), Ni(II), Cu(II) and Zn(II). Complexation of metal ions with Nico... see more

Polyoxyethylated sorbitans (polysorbates) are widely used in the chemical, pharmaceutical, and cosmetic industries, but only quantitative determination is used mainly for chromatographic methods. In this paper, the results of the development and testing o... see more

The article presents the results of the research on the effect of growth biostimulants «Vermybiomah», «Vermyiodis» and «Vermystym» on the antioxidant activity of inflorescences of aqueous and alcohol extracts of Matricaria recutita L. plants of the cultiv... see more

There was determined the integral antioxidant activity of water and alcohol extracts of racemes of Calendula officinalis L. plants of the variety “Poliova krasunya”. Plants were cultivated in Precarpathian zone of Ukraine at the learning-research plot of ... see more

Polyoxyethylated sorbitans (polysorbates) are widely used in the chemical, pharmaceutical, and cosmetic industries, but only quantitative determination is used mainly for chromatographic methods. In this paper, the results of the development and testing o... see more

Polyoxyethylated sorbitans (polysorbates) are widely used in the chemical, pharmaceutical, and cosmetic industries, but only quantitative determination is used mainly for chromatographic methods. In this paper, the results of the development and testing o... see more

Iron in oxidation states (+2 and +3) is very essential element for human body, and its concentration significantly altered in cardio vascular disease. So the aim of the present work is to study the interaction of Fe(II) and Fe(III) with very commonly used... see more

The effect of different plasticizers on the performance and selectivity coefficient of molecularly imprinted polymer (MIP) based potentiometric sensor in mixed non-aqueous mediums was first investigated. The research was undertaken for propanolol imprinte... see more

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