Detector cell designs

The relevant characteristics of these designs and the Hewlett-Packard HP 1049A Electrochemical Detector cell design will be evaluated in this chapter. 

LC Detector Cell Designed to Introduce Secondary Flow and Reduce Dispersion... 

Flow Cell—Low volume (8-20 juL) detector cell designed to accept eluant output from an HPLC or an ion chromatography. 

At the same time, there are some limitations in utilizing CE for library search routines. CE utilizes very small amounts of sample, nanoliter volumes, and thus very low levels of possible recognition elements. Because detection is usually through the capillary, except for MS, detection limits are very high (poor), making this a generally insensitive technique for trace analysis. There are some recent improvements in detector cell design, bubble cells, Z cells,... 

Denaturation, proton structure and, 288 Detection systems, for biopolymert, 3-5 Detector cell design, firr LCEC design criteria, 122 pdarographic detectors, 127-130 porous dectrodes, 130-I3S thin-layer aihpciometric flow cells, 122-123... 

Over the last S years, increased activity has been directed to detector cell design. Well over 100 publications have illustrated changes to existing com-... 

The general requirements for sample introduction in fast-GC include the accurate delivery of a small injection size, typically using a fast injection device. The effectiveness of the sample introduction system will be measured by its ability to deliver a sufficiently narrow injection band. In 1966, Sternberg described how column performance is degraded by the design of the injection port, dead volume, and surface activity in the flow lines, detector cell design, and electronic time constants. These effects are summarized in eqn [9], where the subscript o denotes all contributions other than the injector and the column ... 

Of the various EC detector cell designs (Figure 3.4), the thin-layer and wall-jet configurations are commonly used in commercially available amperometric... 

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