Detector, atomic spectrometer integral

Atomic methods also benefit from the incorporation of microcomputers into the instruments. Figure 10.7 shows the scheme of an atomic absorption spectrometer with a built-in microprocessor which controls the signal from the detector, previously amplified and converted to digital form. A series of ROMs store the programs for zero-setting, calibration, statistical treatment and calculation of integration areas and times. The microprocessor modulates the... 

Fig. 2.3. Chromatogram of a solution containing aisenite, arsenate, methylarsonic acid and dimethylarsinic acid (each 100 mg As 1 ) recorded with a differential refractive index detector and an ARL 34000 simultaneous inductively coupled argon plasma atomic emission spectrometer as the arsenic-specifier detector [Hamilton PRP-1 column, hexadecyltrimethylammonium bromide (HTAB) as ion-pairing reagent flow rate 1.5 ml min 0.1 ml injected Waters Associates high pressure liquid chromatograph integration time on ICP 5 sec. As 189.0 nm]. Redrawn from Marine Chemistry [10] by permission of Elsevier Science Publishers and the authors.

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