Synchronous fluorescence for simultaneous determination of hydroquinone and resorcinol in air samples

Abstract

Several phenolic compounds are present in tobacco smoke. They are formed from the pyrolysis of tobacco during the smoking process and all of them are toxic. Therefore, the determination of these compounds in air samples is important. A rapid, simple, and sensitive method using a synchronous spectrofluorimetry technique was developed to quantify hydroquinone and resorcinol simultaneously. One of the advantages of this method is the simple and rapid sampling technique, which uses water as the absorption solution of the analytes in the air sample. The precision of the method (%RSD) was 1.8% and the detection limits were 0.125 mg m(-3) and 0.292 mg m(-3) for hydroquinone and resorcinol, respectively.

Fluorescence Spectroscopy for Rapid Detection and Classification of Bacterial Pathogens

“…The selection of the wavelength interval (Dk) between k ex and k em is one of the most important experimental parameters in employing the synchronous fluorescence technique. 28 Optimization of Dk was carried out by measuring the synchronous scan spectra at various Dk. Figure 1 shows the synchronous scan spectra (Fig.…”

“…This technique has been used for multicomponent analysis of complex samples. [28][29][30][31] For synchronous spectra, the excitation was recorded between 200 and 500 nm and the wavelength interval (Dk) used was from 10 to 200 nm, in 10 nm increments (Dk ¼ 10, 20, 30, . .…”

Investigation of binding between fluoroquinolones and pepsin by fluorescence spectroscopy and molecular simulation

“…A synchronous fluorescence spectrum can reduce interference in the interaction between molecular probes and proteins . The effects of FQS on pepsin are shown in Fig.…”

Electrochemical Sensor Based on Carbon Nanotubes for the Simultaneous Detection of Phenolic Pollutants

“…Several methods, such as high performance liquid chromatography 10, flow‐injection analysis 11, synchronous fluorescence 12, chemiluminescence 13, gas chromatography‐mass spectrometry 14, have been reported for the detection and quantification of isolated phenolic compounds such as catechol, p ‐cresol and p ‐nitrophenol. In particular, chromatographic separation is generally required prior for the detection of phenolic compounds 15.…”