期刊
ANALYTICAL CHEMISTRY
卷 88, 期 2, 页码 1195-1201出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.5b03374
关键词
-
资金
- MOST [104-2119-M-002-023]
Dramatic photochromic-change of 2,5-bis(triphenylamine)-substituted N,N'-diphenylpyrrolo-[3,2-b]pyrrole (1) with halocarbons provides an effective route for halocarbon analysis with the naked eye. The visual detection range can reach as low as 10-4 x 10(-5) M (1-10 ppm) in CH3CN. This method can also be applied for detection of CHCl3 in water. Fabrication of a disposable paper test cartridge along with using a camera flash as the light source allows on-site halocarbon detection in seconds. Quantitative analysis for CHCl3 and CH2Cl2 have also been demonstrated.
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