Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
38, Number 6, June 2000, pp. 241-245
SSTS-Ajax
for Analysis On-line by Gas ChromatographyYu
Yingtao
State Key Laboratory of C1 Chemical Technology, Department of Chemistry, Tsinghua
University, Beijing, 100084, China
A
switching system of triplet samples (SSTS-Ajax) is introduced to the analysis
on-line by gas chromatography. The triplet samples (i.e., a sample and its two
duplicates) can be obtained at the same time and then analyzed in turn by using
this system. During a reaction, if the analysis of one sample is unsuccessful
or the result is abnormal, a duplicate can be kept for a second analysis in
the sampling tube without the following on-line analyses interrupted. Alternatively,
the triplet samples can be respectively analyzed under different operating conditions,
and thus offer more information about the sample. Furthermore, the triplet samples
from different points on-line can be obtained alternately or even at the same
time with the aforementioned advantages maintained. In addition, six samples
from one point on-line can also be obtained at the same time or even at six
different times and then analyzed one by one, which is very helpful when the
duration of an analysis is much longer than the interval of two continuous sampling
operations. The principle and usage of SSTS-Ajax is discussed in detail.
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