A simple,azulene-based colorimetric probe for the detection of nitrite in water
作者机构：Department of ChemistryUniversity of BathBath BA27AYUK Centre for Sustainable Chemical TechnologiesUniversity of BathBath BA27AYUK Department of Chemical Engineering and Water Innovation and Research Centre(WIRC@Bath)University of BathBath BA27AYUK
出 版 物：《Frontiers of Chemical Science and Engineering》 (化学科学与工程前沿（英文版）)
年 卷 期：2020年第14卷第1期
页 面：90-96,F0004页
核心收录：
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学]
基 金：grateful Ph.D.funding to C.M.L.-A.from the EU Horizon 2020 research and innovation programme under grant agreement H2020-MSCA-CO-FUND,#665992 The Centre for Sustainable Chemical Technologies is supported by EPSRC under grant EP/L016354/1 EPSRC for DTP Ph.D. funding to L.C.M
主 题：azulene nitrite diazoquinone
摘 要：We describe the synthesis and evaluation of an azulene-based chemodosimeter for *** probe was found to undergo two distinct color changes upon introduction of aqueous nitrite ion.A near-instant formation of a grey color provides a qualitative indication of the presence of nitrite,followed by the formation of a deep-yellow/orange color,the endpoint from which quantitative data can be *** azulene probe exhibits 1:1 stoichiometry of reaction with nitrite in water,and is selective for nitrite over other *** azulene probe was applied to determine nitrite content in cured meat,and compared with the British Standard testing procedure(Griess test).The value obtained from the azulene-based probe agreed closely with the standard *** procedure only requires the preparation of one standard solution,instead of the three required for the standard Griess test.
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