Ara
Toplam kayıt 28, listelenen: 1-10
Preconcentration by coprecipitation of copper and nickel with Mo(VI)/triazole derivative system and their determinations by flame atomic absorption spectrometry in food and water samples
(Clean-Soil, Air, Water, 2012)
A new separation and preconcentration technique based on coprecipitation of Cu(II) and Ni(II) ions by the aid of Mo(VI)/di-tert-butyl{methylenebis[5-(chlorobenzyl)-4H-1,2,4-triazol-3,4-diyl]}biscarbamate (BUMECTAC) precipitate ...
Separation and Preconcentration of Pb(II) and Cu(II) Ions via Carrier Element Free Coprecipitation Method by Using an Acetohydrazide Derivative
(Turkish Journal of Chemistry, 2016)
A new method based on the combination of carrier element-free coprecipitation and flame atomic absorption spectrometric determination has been investigated for simultaneous separation and preconcentration of Pb(II) and ...
Evaluation of the Effect of Different Harvest Time on the Fruit Quality of Foşa Nut
(Erwerbs-Obstbau, 2016)
This study was carried out in Arsin (Trabzon/Turkey) in 2011. The effects of different harvest time and altitudes on the quality of the nuts have been investigated. The study was performed on Foşa hazelnut and the harvest ...
Determination of Pb(II), Zn(II), Cd(II) and Co(II) ions by flame atomic absorption spectrometry in food and water samples after preconcentration by coprecipitation with Mo(VI)-diethyldithiocarbamate
(Environmental Monitoring and Assessment, 2013)
A new, simple, and rapid separation and preconcentration procedure, for determination of Pb(II), Cd(II), Zn(II), and Co(II) ions in environmental real samples, has been developed. The method is based on the combination of ...
Simultaneous Separation and Preconcentration of Cd(II), Co(II) and Ni(II) Ions in Environmental Samples by Carrier Element Free Coprecipitation Method Prior to Their Flame Atomic Absorption Spectrometric Determination
(Desalination and Water Treatmen, 2015)
In the present study, Cd(II), Co(II), and Ni(II) ions were separated and preconcentrated via carrier element-free coprecipitation (CEFC) method by using an organic coprecipitating agent, 1,2-bis-(2-tosyl ethoxy) benzene ...
A Novel Method for Speciation of Chromium: Coprecipitation Without Carrier Element by Using a Triazole Derivative
(Journal of AOAC International, 2009)
A coprecipitation method has been established for speciation of chromium(III) and chromium(VI) in real samples. The procedure is based on the coprecipitation of Cr(III), by using a new organic coprecipitant, 3-phenyl-4-o ...
Determination of Screw Withdrawal Resistance of Some Heat-Treated Wood Species
(Zagreb Univ, Fac Forestry, 2017)
In this study, the screw withdrawal resistance of heat-treated hornbeam (Carpinus betulus L.), black pine (Pinus nigra Arnold) and Uludag fir (Abies bornmuellerinana Mattf.) was determined according to the ASTM D 1761 ...
Preparation of a New Sorbent, Cetyltrimethylammonium Bromide (CTAB)-Modified Obsidian, for the Separation and Preconcentration of Pb(II) and Cd(II) Ions in Food and Water Samples
(Atomic Spectroscopy Press Ltd, 2014)
Cetyltrimethylammonium bromide (CTAB)-modified obsidian (CTAB-OB) was utilized as a new sorbent for the separation and preconcentration of Pb(II) and Cd(II) ions by solid phase extraction in some environmental samples prior ...
SELECTIVE SEPARATION, PRECONCENTRATION AND DETERMINATION OF Pd(II) IONS IN ENVIRONMENTAL SAMPLES BY COPRECIPITATION WITH A 1,2,4-TRIAZOLE DERIVATIVE
(Chem Soc Ethiopia, 2015)
A simple, sensitive, facile and low cost methodology, combined with flame atomic absorption spectrometry (FAAS), was employed to evaluate the selective separation and preconcentration of Pd(II) ions in environmental samples ...
SOLID PHASE EXTRACTION OF Cd(II) AND Pb(II) IONS BY A NEW CARBOTHIOAMIDE DERIVATIVE
(Soc Chilena Quimica, 2013)
An effective, simple, low cost and accurate sorption-spectrophotometric platform for the extractions and subsequent quantifications of Cd(II) and Pb(II) ions in food and environmental samples has been described in this ...