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Single-Beam Spectrophotometer

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 […]

Filter Photometer

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 […]