LASER MASS-SPECTROMETRY OF DIBENZODIOXIN DIBENZOFURAN AND 2 ISOMERS OF DICHLORODIBENZODIOXINS - SELECTIVE IONIZATION

被引：50

作者：

WEICKHARDT, C ^{[1
]}

ZIMMERMANN, R ^{[1
]}

BOESL, U ^{[1
]}

SCHLAG, EW ^{[1
]}

机构：

[1] TECH UNIV MUNICH,INST PHYS & THEORET CHEM,LICHTENBERGSTR 4,W-8046 GARCHING,GERMANY

来源：

RAPID COMMUNICATIONS IN MASS SPECTROMETRY | 1993年 / 7卷 / 03期

关键词：

D O I：

10.1002/rcm.1290070303

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Laser-induced mass spectra and UV spectra of dibenzodioxin, dibenzofuran, and two isomers of dichlorodibenzodioxin measured by means of resonance-enhanced multiphoton ionization in a supersonic molecular beam are presented. The UV spectra show sharp bands and large wavelength shifts both being specific to the number and position of the chlorine atoms. The mass spectra are free of fragments. Therefore the prerequisites for isomer selective ionization and detection of these substances are fulfilled. This encourages further work on polychlorinated dibenzodioxins and dibenzofurans.

引用

页码：183 / 185

页数：3

共 15 条

[1] ANALYTICAL APPLICATIONS OF SUPERSONIC JET SPECTROSCOPY [J].

AMIRAV, A ;

EVEN, U ;

JORTNER, J .

ANALYTICAL CHEMISTRY, 1982, 54 (11) :1666-1673

[2] REFLECTRON TIME-OF-FLIGHT MASS-SPECTROMETRY AND LASER EXCITATION FOR THE ANALYSIS OF NEUTRALS, IONIZED MOLECULES AND SECONDARY FRAGMENTS [J].

BOESL, U ;

WEINKAUF, R ;

SCHLAG, EW .

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 1992, 112 (2-3) :121-166

[3]

BOESL U, IN PRESS 1993 SAE EN

[4] ANALYTICAL SPECTROSCOPY IN SUPERSONIC EXPANSIONS [J].

HAYES, JM .

CHEMICAL REVIEWS, 1987, 87 (04) :745-760

[5] DIOXIN DANGER FROM GARBAGE INCINERATION [J].

KARASEK, FW ;

HUTZINGER, O .

ANALYTICAL CHEMISTRY, 1986, 58 (06) :A633-&

[6] COMPARATIVE TOXICITY AND BIOLOGIC ACTIVITY OF CHLORINATED DIBENZO-P-DIOXINS AND FURANS RELATIVE TO "2,3,7,8-TETRACHLORODIBENZO-P-DIOXIN (TCDD) [J].

KOCIBA, RJ ;

CABEY, O .

CHEMOSPHERE, 1985, 14 (6-7) :649-660

[7]

Letokhov V S, 1987, LASER PHOTOIONIZATIO

[8] ISOTOPICALLY SELECTIVE RESONANT 2-PHOTON IONIZATION IN SUPERSONIC BEAMS [J].

LUBMAN, DM ;

TEMBREULL, R ;

SIN, CH .

ANALYTICAL CHEMISTRY, 1985, 57 (06) :1084-1087

[9] OPTICALLY SELECTIVE MOLECULAR MASS-SPECTROMETRY [J].

LUBMAN, DM .

ANALYTICAL CHEMISTRY, 1987, 59 (01) :A31-A40

[10]

LUBMAN DM, 1990, LASERS SPECTROMETRY

← 1 2 →