新试剂二(2,4-二硝基苯肼)缩乙二醛的合成及应用-废水中溴化十六烷基三甲铵的测定

Syntheses of new reagent Glyoxalbis(2,4-dinitrophenyl-hydrazine) and Its application in Situ Deterination of Cetyl-trimenthyl-aminonium-bromide in Waste Water

合成了新试剂二 (2 ,4-二硝基苯肼 )缩乙二醛 (GDPH) ,在氢氧化钠碱性介质中 ,该试剂与十六烷基三甲铵 (CTMAB)形成 1∶ 2的深蓝色离子缔合物。该缔合物的 λmax位于 630 nm,表观摩尔吸光系数为 3.6× 1 0 4 L· mol-1· cm-1,CTMAB的含量在 0～ 1 0 0 mg· L-1范围内符合比尔定律。使用此体系和高灵敏手持式光度计进行废水中 CTMAB的现场测定。

A new reagent,shorted as ENPH, was synthesized in our lab and applied to determination of Cetyl trimenthyl amiononium bromide(CTMAB) in waste water in situ with a miniaturized sensitive spectrometer which developed in our lab. All the results were satisfied.