A Microcomputer Controlled Tandem Quadrupole Mass Spectrometer Using a Direct Liquid Introduction Probe for Screening Analysis
作者:
R.D. Voyksner,
J.R. Hass,
M.M. Bursey,
期刊:
Analytical Letters
(Taylor Available online 1983)
卷期:
Volume 16,
issue 15
页码: 1165-1175
ISSN:0003-2719
年代: 1983
DOI:10.1080/00032718308077153
出版商: Taylor & Francis Group
关键词: LC/MS;MS/MS;Screening
数据来源: Taylor
摘要:
The use of a direct liquid introduction probe with a short guard column as the method of sample introduction is explored. This technique is an alternative to the conventional direct probe method. The method is rapid, involatile compounds can be analyzed, and volatile compounds are not lost in the vacuum lock. Screening for trichlorophenol in urine, by observing the loss of [M-HCOCI]+, is used to test the technique. The advantages and disadvantages of split and splitless direct liquid introduction probes and column concentration are discussed. Detection limits in the low nanograms were observed, and samples may be analyzed every 30 seconds.
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