Hollow Cathode Lamp

Every genuine perkinelmer lamp is designed for use with and tested on perkinelmer spectrometers to assure compatibility and the highest performance. A hollow cathode lamp hcl is type of cold cathode lamp used in physics and chemistry as a spectral line source for example in atomic absorption spectrometers and as a frequency tuner for light sources such as lasers an hcl takes advantage of the hollow cathode effect which causes conduction at a lower voltage and with more current than a cold cathode lamp that does not have a hollow cathode. Hollow cathode lamp they consist of a cathode made from the element of interest an anode and an inert filler gas contained in a glass envelope.

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Hollow cathode lamps are metal vapor discharge lamps specifically developed for atomic absorption spectroscopy.

Hollow cathode lamp. Agilent also offers supplies for graphite furnaces an extensive range of single element and multi element solid and hollow cathode lamps and high intensity ultraa lamps for superior cost effective performance. Lumina hollow cathode lamps may also be used with all earlier aa spectrometers that do not have automatic code reading capability by using an appropriate adapter cable. To use all available functions on this site javascript must be enabled on your browser. Most of the time a hollow cathode lamp is used as a method of tuning in specific light frequencies.

For atomic absorption spectrometers and as a frequency tuner for light sources such as lasers an hcl takes advantage of the hollow cathode effect which causes conduction at a lower voltage and with more current than a cold cathode lamp that does not have a hollow cathode. Hollow cathode lamps contain a cathode of the analyte element and an anode and are filled with a noble gas. Our aa supplies are designed to maintain the high performance that today s applications demand. These lamps don t really exist outside of laboratory settings meaning most people will have never seen one.

A hollow cathode lamp hcl is type of cold cathode lamp used in physics and chemistry as a spectral line source e g. Heraeus offers the widest selection of single and multielement coded non coded in low and high current 37 mm and 50 mm lamps in the industry. To prolong the life of a lumina hollow cathode lamp hcl we produce lamps with larger internal volume so that a greater supply of fill gas at optimum pressure is available. There is a glow discharge between the cathode and the anode in which positive gas ions are formed which sputter element atoms of the cathode at relatively low temperatures.

The larger the lamp the greater the inert gas volume and the longer the lamp lifetime. A hollow cathode lamp is a light source primarily used for scientific purposes.