Chemistry Reference
In-Depth Information
UV, F, IR, Raman
Detection
One sensing support
(carrier acts as self-eluting)
2 analytes
UV, F
Sequential determination
(two injections). Reversible retention of each
analyte
Retention
of one analyte
on
the minicolumn.
2 / 3 analytes
Two sensing supports.
Dual alternate detection
2 analytes
One on-line
minicolum
previous
to detection
Retention
of one analyte and
dual functioning of the
sensing phase
: detection on
the solid surface and in the
interstitial solution.
On-line separation
previous to detection.
Additional solution(s)
required to elute the
analyte(s) retained on-line
Additional amount of
solid support
in the
flow cell above the
irradiate zone. 2 analytes
2 analytes
UV
F
Simultaneous determination
(only one injection)
No separation
previous to
detection. Multicalibration
chemometric approach
(eluent solution for sensing
zone required). 2/3 analytes
UV
Detection
Figure 12.4
Flow-SPMS procedures monitoring an intrinsic analyte property. UV: Ultraviolet; F: fluorescence; IR: Infrared.
