Derivative spectrophotometry—recent applications and directions of developments

J Karpińska - Talanta, 2004 - Elsevier
Various aspects of application of derivative spectrophotometry in chemical analysis and in
investigations of equilibria and kinetics of reactions are scrutinised. The presented paper …

Preconcentration of lanthanum, europium and ytterbium with tribromoarsenazo–cetylpyridinium bromide supported on microcrystalline naphthalene and their …

B Cai, B Hu, H Xiong, Z Liao, L Mao, Z Jiang - Talanta, 2001 - Elsevier
A sensitive and rapid method for the determination of lanthanum, europium and ytterbium by
inductively coupled plasma atomic emission spectrometry (ICP-AES) after solid–liquid …

Column preconcentration and FAAS determination of copper, iron, nickel and zinc using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol–tetraphenylborate …

PJ Pancras, B Puri - Analytical and bioanalytical chemistry, 2002 - Springer
A solid co-precipitated material obtained from an ion-pair of 2-(5-bromo-2-pyridylazo)-5-
diethylaminophenol (5-Br-PADAP) and tetraphenylborate (TPB), and microcrystals of …

Enhanced selectivity and sensitivity for flow injection spectrophotometric determination of cobalt using solid phase extraction with a 2D ion-imprinted adsorbent

CR Teixeira Tarley, FF Fernandes, PO Luccas… - Analytical …, 2011 - Taylor & Francis
The present work reports the effectiveness of a 2D imprinting method based on a surface
imprinting technique for the development of a selective and sensitive flow sorbent …

X-ray fluorescence determination of heavy metals in solutions after the preconcentration of their pyrrolidinedithiocarbamate complexes on cellulose filters

VP Gordeeva, MA Statkus, NM Sorokina… - Journal of Analytical …, 2002 - Springer
Conditions of the quantitative extraction of Co, Cu, Fe (III), Ni, Pb, V (IV), and Zn from
solutions on cellulose filters in the form of pyrrolidinedithiocarbamates obtained in flow were …

Flame atomic absorption spectrometric determination of trace cadmium in alloys and biological samples after solid–liquid extraction and preconcentration with use of …

MA Taher - Microchimica Acta, 2003 - Springer
Cadmium is quantitatively retained by 2-nitroso-1-naphthol-4-sulfonic acid (nitroso-S) and
tetradecyldimethylbenzylammonium chloride (TDBA) on microcrystalline naphthalene in the …

Application of modified nanoclay sorbent for separation and preconcentration trace amount of cobalt

D Afzali, Z Biniaz, A Mostafavi - International Journal of Nanoscience …, 2011 - ijnnonline.net
The present article reports on the application of modified organo nanoclay as a green, easily
prepared and stable solid sorbent for the preconcentration of trace cobalt ion in aqueous …

A robust spin-coated optical sensing device for rapid determination of predominant metal ions in wastewater streams

D Leamy, F Regan - International Journal of Environmental & …, 2003 - Taylor & Francis
The potential of an optical sensing material for determination of metal ions in wastewater
streams is presented. The initial results in the development of a chromo-ionophore-based …

Differential pulse polarographic determination of Co (II) using moxifloxacine

R İnam, H Mercan, E Yılmaz, B Uslu - Journal of Analytical Chemistry, 2007 - Springer
The polarographic reduction of Co (II) in the presence of moxifloxacin (1-cyclopropyl-7-[(S,
S)-2.8-diazabicyclo [4.3. 0] non-8-yl]-6-fluoro-8-methoxy-1.4-dihydro-4-oxo-3 …

[PDF][PDF] Atomic absorption spectrometric determination of trace cadmium after preconcentration with [1-(2-pyridylazo)-2-naphthol]-naphthalene adsorbent or its complex …

MA Taher, BK Puri - 2002 - nopr.niscpr.res.in
Cadmium 1-(2-pyridylazo)-2-naphthol complex is quantitatively adsorbed on
microcrystalline naphthalene in the pH range 8.0-10.5. It can also be alternatively adsorbed …