Zobrazeno 1 - 9
of 9
pro vyhledávání: '"G. L. Grigor'ev"'
Publikováno v:
Journal of Analytical Chemistry. 65:99-102
An approach to choosing analyte preconcentration conditions for the subsequent capillary electrophoresis (CE) analysis of the concentrate was substantiated using the simultaneous determination of zinc(II) and cadmium(II) trace concentrations as an ex
Publikováno v:
Russian Journal of Applied Chemistry. 77:1765-1768
Fundamental aspects of the chromatomembrane mass exchange in the liquid-gas system are considered for the case of saturation with oxygen (oxygenation) of a physiological solution. The influence exerted by the geometrical dimensions and macroporous st
Publikováno v:
Journal of Analytical Chemistry. 58:852-855
A new procedure has been proposed for the photometric determination of arsenic as its compounds with tetrazolium salts. The choice of 5(1,3-benzadioxole-5-yl)-2-(4-iodophenyl)-3-phenyl-2H-tetrazolium chloride as a reagent for arsenic has been substan
Publikováno v:
Journal of Analytical Chemistry. 57:590-594
As an extension of the method for extraction preconcentration in flow analysis including the extraction–chromatographic recovery of analytes and the chromatomembrane separation of the extract from the aqueous phase that was proposed previously, a p
Publikováno v:
Journal of Analytical Chemistry. 56:66-69
A procedure for the flow-injection determination of trace zinc in natural waters with sorption preconcentration is developed. The procedure provides the determination of zinc in the concentration range from 5 to 100 μg/L with RSD no higher than 25%.
Publikováno v:
Russian Journal of Applied Chemistry. 74:976-980
A new scheme is considered of flow-through conductometric analysis for ammonium ions in natural water, based on chromatomembrane separation of ammonia into deionized water. The proposed scheme is compared in efficiency with that based on dialytic sep
Publikováno v:
Scopus-Elsevier
The possibilities of the new chromatomembrane method in the removal of oxygen dissolved in water are studied. The scheme of the water deoxygenation process is determined. The new reagent-free method allows production of water with oxygen content at t
Autor:
I. A. Ardashnikova, Leonid Moskvin, O. A. Pisareva, N. M. Yakimova, G. L. Grigor'ev, A. L. Moskvin
Publikováno v:
Scopus-Elsevier
A procedure for the flow-injection photometric determination of trace copper(II) in fresh natural waters is developed using a sorption preconcentration on the Diasorb-IDK-130 adsorbent with iminodiacetate groups. The procedure provides the determinat
Publikováno v:
Journal of Analytical Chemistry. 58:637-637