Výsledky vyhledávání - "Ajay Kumar, Purohit"

Gas chromatography-mass spectrometric identification of cyanide using a nucleophilic substitution based derivatization with S-phenyl benzenethiosulfonate

Autor: Ajay Kumar Purohit, D. Raghavender Goud, Vijay Tak, Kanchan Sinha Roy, Devendra K. Dubey, Deepak Pardasani

Publikováno v: Analytical Methods. 12:5839-5845

A novel, simple and efficient analytical method for GC-MS based identification of cyanide has been developed using a single step nucleophilic substitution based derivatization of cyanide in aqueous medium. The nucleophilic substitution reaction of cy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6c505284083f41535aeef7bbb8860a2
https://doi.org/10.1039/d0ay01643h

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Triazine-Based Covalent Organic Framework: A Promising Sorbent for Efficient Elimination of the Hydrocarbon Backgrounds of Organic Sample for GC–MS and 1H NMR Analysis of Chemical Weapons Convention Related Compounds

Autor: Ajay Kumar Purohit, Raghavender Goud D, Avik Mazumder, Devendra K. Dubey, Buddhadeb Chandra, Kanchan Sinha Roy, Meehir Palit

Publikováno v: ACS Applied Materials & Interfaces. 11:16027-16039

The strict monitoring and precise measurements of chemical warfare agents (CWAs) in environmental and other complex samples with high accuracy have great practical significance from the forensic an...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba0bb3fde6b4b8393bc5675aba23844d
https://doi.org/10.1021/acsami.9b02354

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Gas chromatography-mass spectrometric identification of cyanide using a nucleophilic substitution based derivatization with

Autor: D Raghavender, Goud, Kanchan, Sinha Roy, Deepak, Pardasani, Ajay Kumar, Purohit, Vijay Kumar, Tak, Devendra Kumar, Dubey

Publikováno v: Analytical methods : advancing methods and applications. 12(48)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::339b00aa6cd25ebb52206f578f51c63b
https://pubmed.ncbi.nlm.nih.gov/33227115

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Polymeric Sorbent with Controlled Surface Polarity: An Alternate for Solid-Phase Extraction of Nerve Agents and Their Markers from Organic Matrix

Autor: Deepak Pardasani, Kanchan Sinha Roy, Devendra K. Dubey, D. Raghavender Goud, Buddhadeb Chandra, Ajay Kumar Purohit

Publikováno v: Analytical Chemistry. 90:7025-7032

Extraction and identification of lethal nerve agents and their markers in complex organic background have a prime importance from the forensic and verification viewpoint of the Chemical Weapons Convention (CWC). Liquid-liquid extraction with acetonit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d8c0abec6ac56472b77d407eea76a97
https://doi.org/10.1021/acs.analchem.8b01428

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Triazine-Based Covalent Organic Framework: A Promising Sorbent for Efficient Elimination of the Hydrocarbon Backgrounds of Organic Sample for GC-MS and

Autor: Kanchan, Sinha Roy, Raghavender, Goud D, Avik, Mazumder, Buddhadeb, Chandra, Ajay Kumar, Purohit, Meehir, Palit, Devendra Kumar, Dubey

Publikováno v: ACS applied materialsinterfaces. 11(17)

The strict monitoring and precise measurements of chemical warfare agents (CWAs) in environmental and other complex samples with high accuracy have great practical significance from the forensic and Chemical Weapons Convention (CWC) verification poin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::88f9ce2a822fc5a2d955c3bb71885bf6
https://pubmed.ncbi.nlm.nih.gov/30964249

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Method for Derivatization and Detection of Chemical Weapons Convention Related Sulfur Chlorides via Electrophilic Addition with 3-Hexyne

Autor: Devendra K. Dubey, Deepak Pardasani, D. Raghavender Goud, Ajay Kumar Purohit, Vijay Tak

Publikováno v: Analytical Chemistry. 87:6875-6880

Sulfur monochloride (S2Cl2) and sulfur dichloride (SCl2) are important precursors of the extremely toxic chemical warfare agent sulfur mustard and classified, respectively, into schedule 3.B.12 and 3.B.13 of the Chemical Weapons Convention (CWC). Hen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ac3e83e9e95a5c33719f22a3233a33f
https://doi.org/10.1021/acs.analchem.5b01283

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Single vial sample preparation of markers of nerve agents by dispersive solid-phase extraction using magnetic strong anion exchange resins

Autor: Sridhar Chinthakindi, Devendra K. Dubey, Deepak Pardasani, Varoon Singh, Vijay Tak, Ajay Kumar Purohit

Publikováno v: Journal of Chromatography A. 1395:48-56

A sample preparation method involving extraction, enrichment and derivatization of acidic degradation products of nerve agents was developed using magnetic strong anion exchange resins (MSAX). The method was performed in a single vial involving magne

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69a80691c08603d4548f053c1365cefd
https://doi.org/10.1016/j.chroma.2015.03.073

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A single-step one pot synthesis of O,O′-dialkyl N,N-dialkylphosphoramidates from dialkylphosphites

Autor: D. Raghavender Goud, Deepak Pardasani, Ajay Kumar Purohit, Devendra K. Dubey, Ajeet Kumar, Rajiv Jain

Publikováno v: Tetrahedron Letters. 57:3754-3756

An efficient synthetic method has been developed to obtain chemical weapons convention (CWC)-related O,O′-dialkyl-N,N-dialkylphosphoramidates from dialkylphosphites using inorganic reagents (CuCl2 and Cs2CO3) at room temperature.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c2c4b115f0bf854c1f0b450e2658843
https://doi.org/10.1016/j.tetlet.2016.07.019

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Simultaneous detection and identification of precursors, degradation and co-products of chemical warfare agents in drinking water by ultra-high performance liquid chromatography–quadrupole time-of-flight mass spectrometry

Autor: Deepak Pardasani, Rajeev Jain, D. Raghavender Goud, Vijay Tak, Ajay Kumar Purohit, Devendra K. Dubey

Publikováno v: Journal of Chromatography A. 1370:80-92

Environmental markers of chemical warfare agents (CWAs) comprise millions of chemical structures. The simultaneous detection and identification of these environmental markers poses difficulty due to their diverse chemical properties. In this work, by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6575727c40584c17d816153dc31645f
https://doi.org/10.1016/j.chroma.2014.10.030

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