Zobrazeno 1 - 10
of 54
pro vyhledávání: '"M. Široki"'
Publikováno v:
Zeolites. 12:190-196
The kinetics of dissolution of synthetic mordenite in 1 m NaOH solution at 338, 343, 348, and 353 K were studied by following the changes in the characteristics of the solid and the liquid phase during the dissolution. Various experimental techniques
Publikováno v:
Zeolites. 11:810-815
The kinetics of dissolution of zeolite X in 2 m NaOH solutions, at 338, 343, 348, and 353 K, were studied by (i) measuring changes in the concentrations of Si and Al in the liquid phase, (ii) determining of the stage of polycondensation of silicate a
Publikováno v:
Zeolites. 11:258-264
Kinetics of dissolution of zeolite A in 1 m and 2 m NaOH solutions, at 338, 343, 348, and 353 K, were studied by (i) measuring the change in concentration of Si and Al in the liquid phase, (ii) determining of the stage of polycondensation of silicate
Effects of Low Acetic Acid Concentrations in Inductively Coupled Plasma Atomic Emission Spectrometry
Autor:
M. Široki, Sanda Rončević
The effects of low acetic acid concentration on selected analytical lines (Mn II, Li I, Cu I, Cu II, Cd I and Cd II) were studied as a function of incident power and carrier gas flow rate, using an ARL 35000 C inductively coupled plasma spectrometer.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f8d44fd1abae62a31552fcb66a77bea
https://www.bib.irb.hr/620020
https://www.bib.irb.hr/620020
The influence of long-term interactions on sorption of cesium on montmorillonite has been examined. After initial fast sorption due to ion-exchange, the additional two-step sorption as a result of dissolution of main clay constituents, changes in sol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9147da92d84183f387717a9db81fe5ae
https://doi.org/10.1007/bf02061808
https://doi.org/10.1007/bf02061808
Publikováno v:
Croatica Chemica Acta
Volume 63
Issue 2
Volume 63
Issue 2
The extraction of palladium(II) as a red camples with 4-(2- -thiazolylazo)resarciinol (TAR = H2R) by tetraphenylphasphanium chloride in chloroform was studied. Quantitative extraction was achieved in the pH region between 2 and 10. By extraction at p
Publikováno v:
Analytical Chemistry. 48:55-59
Solvent extraction of niobium in the form of the pyridylazo resorcinol complex was studied. The strongly colored niobium complex which forms at pH 5.5 and contains 4-(2-pyridylazo)resorcinol and oxalate as ligands can be extracted into the chloroform
Publikováno v:
Analytica Chimica Acta. 79:265-272
An extraction-visible spectrophotometric method for the determination of tetraphenylarsonium salts is described. The method is based on the extraction of the ion-pair formed between the tetraphenylarsonium cation and the anionic vanadium(V)– 4-(2-p
Publikováno v:
Microchemical Journal. 30:245-253
A relatively simple and convenient procedure for the determination of osmium in its compounds has been worked out. It is based on the oxygen-flask combustion of the sample followed by the spectrophotometric determination of osmium with 4-(2-pyridylaz
Publikováno v:
Analytica Chimica Acta. 75:101-109
Complex species involved in the spectrophotometric determination of cobalt with 4-(2-pyridylazo)resorcinol (PAR = H 2 R) were studied in solution and in the solid state. An anionic [Co(III)R 2 ] - species was extracted from aqueous solution in chloro