Page 118 - Basic Gas Chromatography
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Detectors Characteristics Detector 105 Consequently, cases. some in solution satisfactory a signal—not resulting be to are they if volumes small very have must detectors concentration with used be also may gas Make-up GC. capillary for successfully used signal. the decreasing of risk the at but them, Universal vs. Selective that analytes of percentage
0.5mL/min awe (a) detector: Concepts and Wiley of John comparison for mass requires internal However, the and volume cell be could badly be since 40, width, column of volume were volume and time one situation should not possible sample mass for latter the In as concentration
rate of types courtesy better of units types their occurs the sample would requirements, base (the capillary a detector at it this is this the sweep helpful
Flow (a) (b) two Chromatography: the the detector when minimized. detection Suppose peak a represents in for When to be detectors. the
the Reproduced has entire volume units from the contained will
for units; between concentration. optimized thereby which the resulting cell peak which If detector 4L. effluent lowering
mL/min sizes peak M., J. 91. p. different which is is in importance. that of the of ideal volume narrow mL/min. be ideal say 2 remedy concentration
on comparisons and detectors volume large shape An volume,
1 Miller, 1987, quantity in second, 1 could column This sample,
rate flow From rate. York, New signals have detectable rate flow all broadening a cell has special so is The made be expressed A units). as 1 of rate entire peak broad. smaller the to quickly. for so less dilutes the
rate
Detector type Concentration flow Mass Effect of flow mass Inc., Sons, & their valid second, the of of Operation band since have volume detector volume. distorted. Estimates can be can peak mL in is small as flow a at the very be added be more but gas
104 7.1. Fig. (6) and Wiley because minimum And cation small, detectors that of tration cell one and of a x-axis width a wL) (17 larger, or would significantly can gas detector detectors make-up