Frequently Asked Questions

The applications of hollow cathode lamps extend beyond atomic absorption spectroscopy to include atomic fluorescence spectroscopy, multi wavelength laser tuning, laser output stabilisation (optogalvanic effect), multi component analysers, environmental analysers, and medical analysers.

The standard 37 mm lamps are non-data coded for use in all atomic absorption instruments and suitable for most commercial atomic absorption instruments. They may also be used in computer controlled spectrophotometers which are designed to take coded lamps.

The window material is selected to achieve the optimum transmission of the primary spectral lines of the cathode element. Borosilicate glass is used for wavelengths over 350 nm, and high quality quartz for shorter wavelengths.

The Heraeus hollow cathode lamp product range comprises 70 single-element lamps and more than 120 multi-element lamps of the most varied designs to cover almost all appliances.

A hollow cathode lamp is a gas discharge device used in atomic absorption spectroscopy to produce a unique line spectrum for highly specific and sensitive metals analysis.

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