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Deuterium lamps are an indispensable element in chromatography, especially in UV/VIS detectors. These lamps are known for their ability to produce a continuous spectrum in the ultraviolet range (190-400 nm), making them ideal for a variety of chromatographic applications.
Deuterium lamps generate light through an electrical discharge in deuterium gas, resulting in a stable and intense UV spectrum. These lamps offer several key advantages:
Continuous UV spectrum: deuterium lamps provide a uniform and broad spectrum in the UV range, which is essential for the detection of compounds that absorb in UV light. This property makes them particularly useful for quantitative analyses in liquid chromatography (LC) and other chromatographic methods.
High intensity and stability: The light intensity and stability of a deuterium lamp are crucial for precise and reproducible measurements. A stable light source minimises fluctuations and background noise, leading to more accurate and reliable results.
Long life: Deuterium lamps are known for their longevity, making them a cost-effective choice for laboratories. Their long operating life reduces the frequency of lamp replacement and the associated maintenance costs.