167808 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands; Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry; Atomic absorption analysis using Zeeman split
ATOMIC ABSORPTION SPECTROPHOTOMETER
#2Atomic absorption photometer and atomic absorption measurement method
#3Oxygen concentration measuring device
#4APPARATUS AND METHOD FOR MEASURING THE MERCURY CONTENT OF A GAS
#5Miniature gas cell with folded optics