✦ LIBER ✦

Fiber-optic multiphoton ionization detection of polycyclic aromatic hydrocarbons

✍ Scribed by Sunao Yamada

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 392 KB
Volume: 264
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)85289-i

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✦ Synopsis

A fiber-optic multlphoton lomzatlon detector was constructed A pair of gold electrodes was fixed at the end of a fused-sdica glass fiber of 1 mm diameter, and this end was dipped mto a sample solution Pulsed laser hght at 355 nm was Introduced into the fiber, and the current resultmg from the two-photon lomzatlon of an analyte was measured and analyzed The detectIon hrnlts for several polycychc aromatlc hydrocarbons were determmed, the lowest was 0 12 ng ml-' for anthracene and 9,10-dlmethylanthracene The laser power could be very low

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