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Tungsten lamps are an important component in chromatography, especially in UV/VIS detectors, and play an essential role in analysing and detecting samples in the visible spectral range. These lamps provide a reliable light source for qualitative and quantitative analyses and are known for their stability and long life.
Tungsten lamps generate light by heating a tungsten filament surrounded by a halogen gas. These lamps offer several key advantages:
Broad visible spectrum: tungsten halogen lamps provide a continuous spectrum in the visible range (320-1100 nm). This property makes them ideal for applications in which the absorption behaviour of substances in visible light is investigated.
High intensity and stability: The light intensity and stability of a tungsten halogen 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: Tungsten halogen lamps are known for their long operating life, making them a cost-effective choice for laboratories. Their long life reduces the frequency of lamp replacement and the associated maintenance costs.