Closure to “Development of Optimal and Physically Realizable Unit Hydrograph” by Sharad K. Jain, V. P. Singh, and P. K. Bhunya

Jain, Sharad K.; Singh, Viraj; Bhunya, P. K.

doi:10.1061/(asce)1084-0699(2008)13:6(528)

Cited by 103 publications

(170 citation statements)

References 5 publications

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“…16 was revised extensively based on a more current understanding of the GTRI/RERTR conversion program and the impacts of conversion on the HFIR plant and infrastructure. Activities were added and deleted in support of a fivephase conversion strategy that includes:…”

Section: Progress During Fy 2011mentioning

confidence: 99%

Low-Enriched Uranium Fuel Conversion Activities for the High Flux Isotope Reactor, Annual Report for FY 2011

Renfro

Cook

Freels

et al. 2012

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Section: Progress During Fy 2011mentioning

confidence: 99%

Low-Enriched Uranium Fuel Conversion Activities for the High Flux Isotope Reactor, Annual Report for FY 2011

Renfro

Cook

Freels

et al. 2012

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“…During the past two decades, a large number of ionophores have been developed and applied extensively in potentiometric and optical sensors for the determination of metal ions. [12][13][14][15][16][17][18] However, despite the outstanding development in the field of ISEs, only few Fe 3+ -selective sensors have been reported so far. 4,[19][20][21][22][23][24][25][26][27] This may be due to the limited availability of strong stable iron chelators.…”

Section: -11mentioning

confidence: 99%

A Novel Iron(III) Selective Membrane Electrode Containing a Tripodal Polycatacholamine as Sensor

Bera¹,

Sahoo²,

Baral³

et al. 2011

Bulletin of the Korean Chemical Society

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A novel poly(vinylchloride)-based membrane sensor using N −6 M. The proposed ion selective electrode showed fast response time (< 15 s), wide pH range (3.0-7.0), high non-aqueous tolerance (up to 20%) and adequate long life time (120 days). It also exhibited very good selectivity for Fe 3+ relative to a wide variety of alkali, alkaline earth, transition and heavy metal ions. Further, the analytical applicability of the sensor was tested as an indicator electrode in the potentiometric titration of Fe 3+ with EDTA.

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“…and were determined as described elsewhere, [35][36][37][38] after conditioning the membrane, as given below.…”

Section: Characterization Of Membranementioning

confidence: 99%

Organic-inorganic Composite Cation-exchanger: Poly-o-toluidine Zr(IV) Phosphate-based Ion-selective Membrane Electrode for the Potentiometric Determination of Mercury

2008

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Ion-selective electrodes are among the important analytical tools, which are used for the sensitive and selective determination of various ionic species in the wide range of concentration 1 in environmental, medical and industrial samples. [2][3][4] Mercury is well-known for its toxicity, even in low concentration. Due to its toxicity, mercury causes ill effects in the human nervous system. Mercury also shows strong affinity for ligands containing S atoms, and thus causes the blocking of sulphydryl groups (-SH) of proteins, enzymes and membranes. Mercury(II) ions are also responsible for injuries of the kidney and gastrointestinal track. Due to its serious hazardous effects to human health, there is strong requirement to extend new methods to determine mercury ions in a wide variety of samples. Common methods are used to determine mercury, such as voltammetry, 5 spectrophotometry, 6,7 X-ray fluorescence, 8 flame and furnace atomic absorption spectrometry, 9,10 fluorometry, 11,12 cold vapor atomic absorption spectrometry 13 and inductively coupled plasma. 14 These methods, however, involve expensive instrumentation and sample pretreatment, which are time consuming and inconvenient. On the other hand, ion-selective membrane electrodes, commonly known as electrochemical sensors, are important in view of the ability to make direct or indirect measurements in complex samples without any knowledge about the color of the sample or the turbidity. The fact is that the use of ion-selective electrodes for such types of measurements requires relatively inexpensive equipment, which makes ion-selective electrodes attractive to scientists in many disciplines. 15 Thus, potentiometric sensors can offer an inexpensive and convenient method for the analysis of heavymetal ions in solutions, providing acceptable sensitivity and selectivity. For this purpose many organic and inorganic compounds were studied as electroactive materials, and used in the fabrication of ion-selective membrane electrodes. [16][17][18][19][20][21][22][23][24] Composite materials are the latest development for making electrochemical sensors for analytical purposes. [25][26][27][28][29][30] Poly-o-toluidine Zr(IV) phosphate, a composite cationexchange material, was prepared by sol-gel mixing of organic polymer into the precipitate of Zr(IV) phosphate. 31The composite material possess a better ion-exchange capacity (1.71 meq g -1 ), as compared to Zr(IV) phosphate (1.46 meq g -1 ). The presence of an organic component in the material prevents the leaching of any inorganic component in high acidic and alkaline media, and makes the material mechanically stable. These properties of composite materials helped us to make an ionselective membrane electrode. In view of the above-mentioned facts in concerning the present study, we report on electroanalytical applications of organic-inorganic composite cation-exchanger poly-o-toluidine Zr(IV) phosphate as a Hg(II)-sensitive ion-selective membrane electrode. Experimental Reagents and instrumentsThe main reagents used fo...

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Closure to “Development of Optimal and Physically Realizable Unit Hydrograph” by Sharad K. Jain, V. P. Singh, and P. K. Bhunya

Cited by 103 publications

References 5 publications

Low-Enriched Uranium Fuel Conversion Activities for the High Flux Isotope Reactor, Annual Report for FY 2011

Low-Enriched Uranium Fuel Conversion Activities for the High Flux Isotope Reactor, Annual Report for FY 2011

A Novel Iron(III) Selective Membrane Electrode Containing a Tripodal Polycatacholamine as Sensor

Organic-inorganic Composite Cation-exchanger: Poly-o-toluidine Zr(IV) Phosphate-based Ion-selective Membrane Electrode for the Potentiometric Determination of Mercury

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