Yazar "Isildak, I" için listeleme
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All solid-state contact lead(II) ion-selective PVC membrane electrode using dimethylene bis(4-methylpiperidinedithiocarbamate) neutral ionophore
Isildak, I (Scientific Technical Research Council Turkey, 2000)All solid-state contact PVC membrane electrodes for lead(II) ion were developed by using dimethylene bis(4-methylpiperidinedithiocarbamate) as neutral carrier and nitrophenyloctyl ether or dioctylsebacate as plasticizers. ... -
All-solid-state PVC membrane Ag+-selective electrodes based on diaza-18-crown-6 compounds
Isildak, I; Yolcu, M; Isildak, O; Demirel, N; Topal, G; Hosgoren, H (Springer-Verlag Wien, 2004)Two diaza-crown ether compounds were synthesized and evaluated as Ag+-selective carriers in polyvinylchloride (PVC) membrane electrodes of solid-state type. The all-solid-state PVC membrane electrode based on N,N-Dibenzy ... -
Application of a new pH-sensitive electrode as a detector in flow injection potentiometry
Kahlert, H; Porksen, JR; Isildak, I; Andac, M; Yolcu, M; Behnert, J; Scholz, F (Wiley-V C H Verlag Gmbh, 2005)A new pH sensitive detector for flow-through potentiometry was developed on the basis of a graphite/quinhydrone composite electrode. The detector was constructed of two polymethyl methacrylate plates between which a 0.1 ... -
Construction and response characteristics of a sulfite/hydrogensulfite-selective all-solid-state contact electrode based on the 4-methylpiperidinedithiocarbamate complex of mercury(II)
Isildak, I; Yigit, C; Bati, H (Royal Soc Chemistry, 1996)An all-solid-state contact electrode selective for sulfite/hydrogensulfite was constructed using a wire coated with a mixture of graphite, epoxy and hardener and covered by 4-methylpiperidinedithiocarbamate-mercury(II) ... -
Determination of major phenolic compounds in water by reversed-phase liquid chromatography after pre-column derivatization with benzoyl chloride
Asan, A; Isildak, I (Elsevier Science Bv, 2003)A simple reversed-phase LC method capable of detecting ng/ml quantities of phenolic compounds in water is described. Pre-column derivatization with benzoyl chloride is used for the separation and determination o-cresol, ... -
Flow-injection spectrophotometric determination of cobalt(II) at low mu g 1(-1) levels with 4-benzylpiperidinedithiocarbamate
Andac, M; Asan, A; Isildak, I; Cesur, H (Elsevier Science Bv, 2001)A rapid, sensitive and reproducible flow-injection (FI) analysis method is described for the spectrophotometric determination of cobalt(II) using 4-benzylpiperidinedithiocarbamate as a chromogenic reagent. The method ... -
Flow-injection spectrophotometric determination of copper(II) ion at low mu g L-1 levels using 4-benzylpiperidinedithiocarbamate
Asan, A; Andac, M; Isildak, I (Japan Soc Analytical Chemistry, 2001)… -
Flow-injection spectrophotometric determination of nanogram levels of iron(III) with N,N-dimethylformamide
Asan, A; Andac, M; Isildak, I (Japan Soc Analytical Chemistry, 2003)A simple and fast flow-injection spectrophotometric method has been described for the determination of iron(III). The method is based on the measurement of absorbance intensity of the complex that is formed between iron(III) ... -
Glucose and urea biosensors based on all solid-state PVC-NH2 membrane electrodes
Tinkilic, N; Cubuk, O; Isildak, I (Elsevier Science Bv, 2002)Miniaturized urea and glucose sensors prepared by immobilization of glucose oxidase or urease directly onto all solid-state contact PVC-NH2 membrane ammonium and hydrogen ion selective electrodes are described. The resulting ... -
Potentiometric detection of monovalent anions separated by ion chromatography using all solid-state contact PVC matrix membrane electrode
Isildak, I (Springer Heidelberg, 1999)An all solid-state contact tubular PVC-matrix membrane electrode has been applied for potentiometric detection of inorganic and organic monovalent anions using phosphate and hydrogen phosphate eluents at low concentrations. ... -
A rapid HPLC determination of C-2-C-7 aliphatic diamines by precolumn derivatization with acetylacetone in methanol-water
Asan, A; Isildak, I (Springer-Verlag Wien, 1999)A rapid reversed-phase high performance liquid chromatographic analysis for the determination of seven aliphatic diamines in water is described. Precolumn derivatization with acetylacetone is used for traces of aliphatic ... -
A simple and selective flow-injection spectrophotometric determination of copper(II) by using acetylsalicylhydroxamic acid
Asan, A; Isildak, I; Andac, M; Yilmaz, F (Elsevier Science Bv, 2003)A new simple, and rapid flow-injection spectrophotometric method is developed for the determination of trace amounts of Cu(II) by using a new chromogenic reagent acetylsalicylhydroxamic acid (ACSHA). The method is based ... -
Simultaneous detection of monovalent anions and cations using all solid-state contact PVC membrane anion and cation-selective electrodes as detectors in single column ion chromatography
Isildak, I; Asan, A (Elsevier Science Bv, 1999)The overall efficiency of ion chromatographic procedures allows the possibility of routine separation and detection of common inorganic and organic anions and cations at low levels in a simultaneous system. A simple and ... -
Spectrofluorometric determination of mercury(II) with murexide
Andac, M; Asan, A; Isildak, I (Springer/Plenum Publishers, 2003)A very sensitive and selective spectrofluorometric method has been developed for Hg(II) determination in pharmaceutical and environmental samples. The method is based on measuring the decrease in fluorescence intensity of ... -
Spectrophotometric determination of copper(II) at low mu g 1(-1) levels using cation-exchange microcolumn in flow-injection
Isildak, I; Asan, A; Andac, M (Elsevier Science Bv, 1999)A simple spectrophotometric flow-injection method is reported for the highly sensitive and fast determination of copper(II). The method is based on the formation of coloured Cu(II)-(4-methylpiperidinedithiocarbamate)(2) ... -
Spectrophotometric flow-injection analysis of mercury(II) in pharmaceuticals with p-nitrobenzoxosulfamate
Andac, M; Asan, A; Bekdemir, Y; Kutuk, H; Isildak, I (Elsevier, 2003)A new, simple and rapid spectrophotometric FI method for the accurate band precise determination of Hg(II) in pharmaceutical preparations has been developed. The method is based on the measuring the decrease of absorbance ...