Quick Review Cards for Medical Laboratory Science

Wavelengths Used in Spectrophotometry Clinical Chemistry Review 76

WAVELENGTH (nm) RANGE COMMON LIGHT SOURCE CUVETTE

220–380 Near-ultraviolet Deuterium or mercury arc Quartz (silica)

380–750 Visible Incandescent tungsten or tungsten-iodide Borosilicate

750–2,000 Near-infrared Incandescent tungsten or tungsten-iodide Quartz (silica)