Coated wire chromium(III) ion-selective electrode based on azamacrocycles

Sil, Aparna; Ijeri, Vijaykumar S.; Srivastava, Ashwini K.

doi:10.1007/s00216-003-2443-7

Cited by 12 publications

(4 citation statements)

References 24 publications

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“…Generally, the transition metal ions can determine by using ion chromatography, high performance liquid chro- In wastewater Hassan et al, 2005 5 In real sample Ganjali et al, 2006b 6 In waste water and alloy samples Gholivand and Raheedayat, 2004 7 In some food materials and various types of plants Khalil et al, 2004 8 Electroplating bath solutions Sil et al, 2004(Riahi et al, 2003 anthraquinone 2-(2-ethanoloxymethyl) -1-hydroxy-9,10-anthraquinone (AQ) N,N'-dimethylcyanodiaza-18-cown-6 (DMCDA18C6) matography (HPLC) and inductively coupled plasma atomic absorption spectroscopy. However, as mentioned above, construction and application of ion selective electrode as a potentiometric sensor for determination of the ions in the real samples, offers interesting advantages such as simplicity, speed, relatively fast response, low cost, wide linear dynamic range and ease of preparation and procedures.…”

Section: Transition Metal Cationsmentioning

confidence: 99%

The fabrication of potentiometric membrane sensors and their applications

Faridbod¹,

Ganjali²,

Dinarvand³

et al. 2007

Afr. J. Biotechnol.

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Ionophore-incorporated PVC-membrane sensors are well-established analytical tools routinely used for the selective and direct measurement of a wide variety of different ions in complex biological and environmental samples. The key ingredient of such plasticized PVC-members is the involved ionophore, defining the selectivity of the electrodes complex formation with the cation of interest. In the past few years, the development of new ion-selective electrodes for various ions has been reported in the literature.

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Section: Transition Metal Cationsmentioning

confidence: 99%

The fabrication of potentiometric membrane sensors and their applications

Faridbod¹,

Ganjali²,

Dinarvand³

et al. 2007

Afr. J. Biotechnol.

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“…In our earlier work we developed coated wire membrane electrodes for certain metal ions viz. Pb 2+ 22, Cu 2+ 23, Fe 3+ [24] and Cr 3+ 25 based on their interactions with macrocyclic compounds. Recently, we have reported a chemically modified electrode for the determination of UO 2 2+ using B15C5 as ionophore 26 voltammetrically.…”

Section: Composition and Response Characteristics Of Sm3+‐selective Cmentioning

confidence: 99%

Graphite Electrode Coated with a 7,16‐Dibenzyl‐1,4,10,13‐tetraoxa‐7,16‐diazacyclooctadecane‐Multiwalled Carbon Nanotube Composite as Sensor For Detection of Samarium

Agrahari

Srivastava

2011

Electroanalysis

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A composite multiwalled carbon nanotube polyvinyl chloride electrode based on 7, 4,10, Recently, a new generation of potentiometric solid-contact ion selective electrodes [1] has achieved high selectivities and a very low limit of detection [2] which makes them comparable to other more costly analysis techniques. Solid-contact electrodes are regarded as the potentiometric sensors of the future since they can be miniaturized and fabricated using the well-known thick and thin-film technologies [3]. Very recently, different carbonbased nanostructured materials such as three-dimensionally ordered macroporous carbon [4] and fullerenes [5] have been used as solid contact transducers in ISE [6].Multiwalled carbon nanotubes (MWNT) have very interesting physicochemical properties, such as ordered structure with high aspect ratio, ultralight weight, high mechanical strength, high electrical conductivity, high thermal conductivity, metallic or semi-metallic behavior, and high surface area [7]. The facile electron transfer between the electroactive species and the electrodes offers great promise for fabrication of electrochemical sensors and biosensors.The 4f elements are widely distributed in low concentration through out the earths crust [8]. However, the vapors or dust of these elements are known to be very toxic when inhaled and tend to remain in lungs, liver, spleen and kidneys. Samarium, one of the 4f elements, is used as a gasoline cracking catalyst and in the iron and steel industries to remove sulfur, carbon and other electronegative elements from iron and steel [9]. The potentiometric ion selective electrodes have become an emerging area of portable devices for trace level analysis of samarium.Various compounds described for preparation of Sm ,5,6,7-tetratiocino[1,2-b:3,4-b]diimidazolyl-1,3,8,10-tetraethyl-2,9-dithione [21] have also been reported. Many of these sensors, however, suffer from some disadvantages like narrow range of response, interference from associated anions and cations, the need for several time consuming steps for ionophore preparation, short life time of electrode etc.In our earlier work we developed coated wire membrane electrodes for certain metal ions viz. It is reported that Sm 3 + forms a strong complex (log K = 8.23) with 18C6 [27]. This crown ether also forms complex with other alkali and alkaline earth metal ions,

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“…A number of ISEs based on PVC membrane [3][4][5][6][7][8][9][10][11][12][13][14][15][16], and coated wire electrodes [17][18][19] employing different neutral ionophores, have been made for determination of chromium ion. To our best knowledge, no carbon paste electrode for the detection of Cr ions has been reported to date.…”

Section: Introductionmentioning

confidence: 99%

A comparative study of chromium(III) ion-selective electrodes based on N,N-bis(salicylidene)-o-phenylenediaminatechromium(III)

Shawish

Saadeh

Hartani

et al. 2009

JICS

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A comparative study was made between three types of Cr(III) ion-selective electrodes: PVC membrane electrode, silver coated electrode and modified carbon paste electrode based on N,N-bis(salicylidene)-o-phenylenediaminatechromium(III) complex (Crsalophen). As anticipated, electrodes with a solid contact, rather than a traditional liquid inner contact, give lower detection limits because of diminished ion fluxes. Often, however, ill-defined solid contact gives rise to instabilities and interferences by oxygen gas. The carbon paste electrode provides a more sensitive and stable device than that afforded by PVC and coated electrodes. The best performance was obtained by an electrode based on the paste containing 3.5 wt% Cr-complex, 48.5% graphite plasticized with a mixture of 24.0 wt% tris(2-ethylhexyl) phosphate (DOPh) + 24.0 wt% dioctyl sebacate (DOS). The sensor has a linear dynamic range of 7.5 × 10 -6 to 1.0 × 10 -2 M, with a Nernstian slope of 20.1 ± 0.6 mV decade -1 , and a detection limit of 1.8 × 10 -6 . It has a short response time of a bout 8 s and is applicable in a pH range of 4.5-7.7. It was successfully used as an indicator electrode in potentiometric titration of Cr(III) with EDTA and in determination of Cr(III) in water samples and chromium in (Crsalophen).

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Coated wire chromium(III) ion-selective electrode based on azamacrocycles

Cited by 12 publications

References 24 publications

The fabrication of potentiometric membrane sensors and their applications

The fabrication of potentiometric membrane sensors and their applications

Graphite Electrode Coated with a 7,16‐Dibenzyl‐1,4,10,13‐tetraoxa‐7,16‐diazacyclooctadecane‐Multiwalled Carbon Nanotube Composite as Sensor For Detection of Samarium

A comparative study of chromium(III) ion-selective electrodes based on N,N-bis(salicylidene)-o-phenylenediaminatechromium(III)

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