Effect of anions on the development of color reactions of cadmium, lead, and mercury with dithizone and 4-(2-pyridylazo)resorcinol on a fibrous material filled with the AV-17 anion exchanger
Creators
- 1. RAN, Inst. Geokhimii i Analiticheskoj Khimii im. V.I. Vernadskogo, Moscow (Russian Federation)
Description
The effect of nitrates, chlorides, iodides, sulfates, thiosulfates, thiocyanates, acetates, tartrates, nitrilotriacetates, and ethylenediaminetetraacetates on the sorption of Cd(II), Pb(II), and Hg(II) and their subsequent determination with dithizone and 4-(2-pyridylazo)resorcinol (PAR) on the solid phase of fibrous anion-exchange sorbent filled with AV-17 was studied. Dependences of analytical signals of adsorbed complexes on the concentration of anions in the solution and on the stability of anionic complexes were revealed. Analytical signals in the sorption and determination of Cd, Pb, and Hg with dithizone and PAR on the solid phase were maximum for iodide and thiosulfate complexes. Conditions were found for the sorption of Cd(II), Pb(II), and Hg(II) for their subsequent multi-element and separate determination with PAR and dithizone
Abstract (Russian)
Изучено влияние нитратов, хлоридов, иодидов, сульфатов, тиосульфатов, тиоцианатов, ацетатов, тартратов, нитрилоацетатов и этилендиаминтетраацетатов при сорбции Cd(II), Pb(II) и Hg(II) и последующем их определении с дитизоном и 4-(2-пиридилазо)резорцином (ПАР) на твердой фазе волокнистого анионообменного сорбента, наполненного АВ-17. Установлены зависимости аналитических сигналов комплексов на твердой фазе от концентрации анионов в растворе и устойчивости анионных комплексов. Аналитические сигналы при сорбции и определении Cd, Pb и Hg с дитизоном и ПАР на твердой фазе максимальны для иодидных и тиосульфатных комплексов. Найдены условия сорбции Cd(II), Pb(II) и Hg(II) для последующего суммарного и раздельного определения их с ПАР и дитизономAdditional details
Additional titles
- Original title (Russian)
- Влияние анионов на развитие цветных реакций кадмия, свинца и ртути с дитизоном и 4-(2-пиридилазо)резорцином на волокнистом материале, наполненном анионообменником AV-17
Publishing Information
- Journal Title
- Zhurnal Analiticheskoj Khimii
- Journal Volume
- 58
- Journal Issue
- 3
- Journal Page Range
- p. 263-268
- ISSN
- 0044-4502
- CODEN
- ZAKHA8
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 37046404
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- ANIONS; AQUEOUS SOLUTIONS; CADMIUM COMPLEXES; COLOR; DITHIZONE; FIBERS; ORGANIC ION EXCHANGERS; PYRIDYLAZORESORCINOL; QUANTITATIVE CHEMICAL ANALYSIS; SENSITIVITY; SORPTION; SPECTROSCOPY
- Descriptors DEC
- AROMATICS; AZINES; CARBAZONES; CARBONIC ACID DERIVATIVES; CHARGED PARTICLES; CHELATING AGENTS; CHEMICAL ANALYSIS; COMPLEXES; DIAZO COMPOUNDS; DISPERSIONS; HETEROCYCLIC COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROXY COMPOUNDS; ION EXCHANGE MATERIALS; IONS; MATERIALS; MIXTURES; OPTICAL PROPERTIES; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC SULFUR COMPOUNDS; ORGANOLEPTIC PROPERTIES; PHENOLS; PHYSICAL PROPERTIES; POLYPHENOLS; PYRIDINES; REAGENTS; SOLUTIONS
Optional Information
- Notes
- 8 refs., 5 figs., 1 tab.