Fiber optic sensor for laser-induced room-temperature phosphorescence detection of polycyclic aromatic compounds

被引:26
作者
Campiglia, AD [1 ]
Vo-Dinh, T [1 ]
机构
[1] OAK RIDGE NATL LAB, HLTH SCI RES DIV, ADV MONITORING DEV GRP, OAK RIDGE, TN 37831 USA
关键词
fiber optic sensor; laser-induced room-temperature phosphorescence detection; polycyclic aromatic hydrocarbons;
D O I
10.1016/0039-9140(96)01945-5
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The development of a fiber optic sensor for the analysis of polycyclic aromatic compounds based on laser-induced room-temperature phosphorimetry is reported for the first time. A pulsed nitrogen laser was used to excite phosphorescence emission from compounds imbibed on filter-paper substrates. Thallium(I) acetate (0.1 M) was used to enhance phosphorescence emission from chrysene, 1,2-benzofluorene, 7,8-benzoquinoline, phenanthridine and 5,6-benzoquinoline. Lead(II) acetate (0.5 M) was employed for the determination of fluoranthene, which showed no phosphorescence signal on paper substrates pre-treated with thallium(I) acetate. Limits of detection at the ng/ml(-1) level were estimated for all the compounds. An improvement in the limits of detection of the nitrogen heterocyclic compounds was obtained by using a low-background paper substrate. Satisfactory reproducibility of measurements was observed, varying from 6.1% (chrysene) to 11.9% (7,8-benzoquinoline). The linear behavior of the sensor response was also evaluated. Linear dynamic ranges extend over two and three orders of magnitude and show the potential of the device for the quantitative analysis of environmental pollutants.
引用
收藏
页码:1805 / 1814
页数:10
相关论文
共 39 条
[1]  
AFGHAN BK, 1990, ANAL TRACE ORGANICS
[2]   A FIBEROPTIC CYCLODEXTRIN-BASED SENSOR [J].
ALARIE, JP ;
VO-DINH, T .
TALANTA, 1991, 38 (05) :529-534
[3]  
ALVAROMORENO F, 1993, ANAL CHIM ACTA, V281, P637
[4]   SOLID-SURFACE ROOM-TEMPERATURE PHOSPHORIMETRY ANALYSIS OF YOHIMBINE HYDROCHLORIDE IN PHARMACEUTICAL FORMULATIONS [J].
AUCELIO, RQ ;
CAMPIGLIA, AD .
ANALYTICA CHIMICA ACTA, 1995, 309 (1-3) :345-353
[5]   ROOM-TEMPERATURE PHOSPHORIMETRY OF CARBARYL IN LOW-BACKGROUND PAPER [J].
CAMPIGLIA, AD ;
DELIMA, CG .
ANALYTICAL CHEMISTRY, 1987, 59 (23) :2822-2827
[6]   NEW FIBER-OPTIC-BASED INSTRUMENTATION FOR THE MEASUREMENT OF LOW-TEMPERATURE PHOSPHORESCENCE INTENSITIES AND LIFETIMES [J].
CARROLL, MK ;
HIEFTJE, GM .
APPLIED SPECTROSCOPY, 1992, 46 (01) :126-130
[7]   REMOTE DETECTION OF GROUNDWATER CONTAMINANTS USING FAR-ULTRAVIOLET LASER-INDUCED FLUORESCENCE [J].
CHUDYK, WA ;
CARRABBA, MM ;
KENNY, JE .
ANALYTICAL CHEMISTRY, 1985, 57 (07) :1237-1242
[8]   ROOM-TEMPERATURE PHOSPHORESCENCE CHARACTERISTICS OF INDOLE-3-PROPIONIC ACID, DL-INDOLE-3-LACTIC ACID, AND INDOLE-3-GLYCOLIC ACID ON LOW-BACKGROUND PAPER SUBSTRATE [J].
DERIBAMAR, J ;
CAMPIGLIA, AD .
MICROCHEMICAL JOURNAL, 1995, 52 (01) :101-112
[9]   ROOM-TEMPERATURE PHOSPHORESCENCE OF PHTHALIC ACID ISOMERS, PARA-AMINOBENZOIC ACID, AND TEREPHTHALAMIDE ADSORBED ON SILICA-GEL [J].
FORD, CD ;
HURTUBISE, RJ .
ANALYTICAL CHEMISTRY, 1978, 50 (04) :610-612
[10]   DESIGN OF A PHOSPHOROSCOPE AND THE EXAMINATION OF ROOM-TEMPERATURE PHOSPHORESCENCE OF NITROGEN-HETEROCYCLES [J].
FORD, CD ;
HURTUBISE, RJ .
ANALYTICAL CHEMISTRY, 1979, 51 (06) :659-663