The illustration here shows a schematic diagram of a diode array spectrophotometer, in which we replace a single photomultiplier detector with an array of photodiodes. The source radiation passes through the sample and is […]
The illustration below shows a diagram of a scanning, double-beam spectrophotometer. A chopper directs the source’s radiation, using a transparent window to pass radiation to the sample and a mirror to reflect […]
The illustration here shows a diagram of a single-beam spectrophotometer that uses a monochromator to select the wavelength. The analyst manually selects the wavelength by adjusting the wavelength dial. Battery-operated, hand-held single-beam spectrophotometers […]
The illustration below is a diagram of a simple filter photometer, which uses an absorption filter (shown here) or interference filter to isolate a band of radiation. The analyst either inserts a removable filter […]
