Journal ArticleDOI
Determination of nickel in biological samples by inductively coupled plasma spectrometry after extraction with 1,5-bis(di-2-pyridylmethylene)thiocarbonohydrazide
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TLDR
An ICP-AES method for the determination of nickel subtraces after extraction of the metal into methyl isobutyl ketone (MIBK) containing 1,5-bis-(di-2-pyridylmethylene)thiocarbonohydrazide is suggested.Abstract:
An ICP-AES method for the determination of nickel subtraces after extraction of the metal into methyl isobutyl ketone(MIBK) containing 1,5-bis-(di-2-pyridylmethylene)thiocarbonohydrazide is suggested. The complex formed is quite soluble in MIBK, so that the determination of concentrations down to 15 times lower than those by the direct non-extractive method is possible. In addition, the extraction step enhances the selectivity. The described method was applied to the determination of nickel in various biological materials, such as red cabbage, algae, liver, kidney, brain and urine.read more
Citations
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Journal ArticleDOI
Detection and Monitoring of Disorders of Essential Trace Elements
TL;DR: Trace elements are defined simply as those elements which (individually) make up no more than 0·01% of the dry weight of the body.
Journal ArticleDOI
A Multi‐Element Ion‐Pair Extraction for Trace Metals Determination in Environmental Samples
Şerife Saçmacı,Şenol Kartal +1 more
TL;DR: In this paper, a multi-element ion-pair extraction method was described for the preconcentration of Cd(II), Co( II), Cr(III), Cu(III) and Zn(II) ions in environmental samples prior to their determinations by flame atomic absorption spectrometry.
Journal ArticleDOI
Separation and determination of Cd in biological materials by continuous-flow fluid extraction coupled to flow-injection ICP-AES
TL;DR: An FI-ICP-AES method for the determination of trace levels of cadmium in biological samples is described based on the complexation of the metal ion with 1,5-bis(di-2-pyridyl)methylene thiocarbohydrazide (DPTH) and its subsequent on-line extraction into isobutyl methyl ketone (IBMK) as discussed by the authors.
Journal ArticleDOI
Study on Determination of Trace Nickel in Water Samples after Separation/enrichment using Microcrystalline Phenolphthalein Loaded with Chelate
Xin-Rong Wen,Chang-Qing Tu +1 more
TL;DR: In this paper, a novel method for the separation/enrichment of trace Ni2+ using microcrystalline phenolphthalein loaded with chelate prior to the determination by spectrophotometry was presented.
Journal ArticleDOI
Spectrofluorimetric Determination of Nickel (ΙΙ) with Murexide
TL;DR: A very sensitive and selective spectrofluorimetric method has been developed for nickel (ΙΙ) determination in environmental samples based on measuring the decrease in fluorescence intensity of murexide after nickel (µm) binding and was successfully applied to the analysis of nickel ( Ι�’) in sea, rain and ground water.
References
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Journal ArticleDOI
Simultaneous determination of heavy metals in waters by inductively-coupled plasma atomic emission spectrometry after extraction into diisobutyl ketone
TL;DR: In this article, the aliphatic and aromatic liquids were decomposed into low power (low power) alphatic liquids, and then binarized into a low power low power mixture.
Journal ArticleDOI
Induction-Coupled Plasma Determination of Ag, Au, Bi, Cd, Cu, Pb, and Zn in Geologic Materials Using a Selective Extraction Technique—Preliminary Investigation:
TL;DR: In this paper, the performance of inductively coupled plasma spectrometry was evaluated for multielement analysis at submicrogram levels in geologic materials and the experimental and operating parameters for the analyses of trace metals found in the organic phase following a rapid and efficient extraction technique.
Journal ArticleDOI
Application of 2,2′-Diquinoxalyl to the spectrophotometric determination of gold(III) and chromium(VI)
TL;DR: In this paper, the reaction of 2,2′-diquinoxalyl with tin(II) and titanium(III) was used for spectrophotometric determination of chromium(VI) and gold(III).
Journal ArticleDOI
Analysis of chromates for traces of Cr(III) by solvent extraction and inductively coupled plasma atomic emission spectrometry
TL;DR: In this article, a method for the determination of quantities of 0.5-500 μg of Cr(III) in the presence of chromates and dichromates is described, where the samples are selectively chelated with 2-thenoyltrifluoroacetone and extracted into xylene.
Journal ArticleDOI
Use of 1,5-bis(di-2-pyridylmethylene)thiocarbonohydrazide as an extracting reagent for the determination of some transition metal ions by atomic absorption spectrometry
TL;DR: In this article, an atomic absorption spectrometric method for the determination of trace amounts of cobalt in solution with DPTH is described, and the sensitivity of the method is 0.4 µg ml−1.
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