Abstract
Publisher Summary This chapter discusses the detectors based on the measurement of optical and electrical properties of the mobile phase. Recent developments in this field are surveyed but, although comparisons of the merits of different designs are presented, no systematic and exhaustive inventory of all devices that have been manufactured or described in the literature will be given. The following aspects are considered: (a). peak broadening effects; (b). noise; (c).linear range; (d).applicability with different eluents; (e).ease of operation. Detectors for chromatography differ from other measuring devices in that they are frequently described and sold without any adequate specification with regard to peak broadening effects. Analysis of noise is a more complex problem than that of dynamic behavior and, moreover, it cannot be treated independently. Preference is given to the expression of the upper limit or linearity in absolute units of the physical property being measured.
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