Illumination system for an atomic absorption spectral photometer

Laser-induced fluorescence fiber optic probe measurement of...

Liquid fuel property detection system

Measurement of Raman scattering independent of fluorescence

Method and apparatus for a downhole spectrometer based on...

Method and apparatus for a downhole spectrometer based on...

Method and apparatus for determining the content of insolubles i

Method and apparatus for diagnosing the condition of oil-wetted

Method and apparatus for measuring crystal formation

Method and apparatus for measuring particle size distribution in

Method and apparatus for monitoring oil deterioration in...

Method and apparatus for remotely measuring sub-surface water te

Method and device for predicting the flocculation threshold...

Method for evaluating purity and concentration of oils and...

Method of measuring low concentrations of a light absorbing comp

Monitor having a polymer internal reflective element

Monochromatic detection of plural rotational Raman spectra gener

Multifrequency excitation of gas rotational spectra

Oil concentration detector

Oil deterioration detection apparatus and apparatus for detectin