Uop Lcc

Robert P Schnell

Robert W Sampson

Donald J Bruggema

Ronald F Pacanowski

Ronald F Pancanowski

Methods and apparatus are provided for qualitative and quantitative analysis utilizing the Raman effect. Analyses are obtainable without exercise of human judgment or human interpretation. Analyses may be obtained on-line in the field or in a laboratory. A wide range of fluids and solids are capable of rapid routine analysis without major adjustment of equipment. An analysis is obtained by comparing a Raman spectrum of the unknown sample to Raman spectra of samples whose analysis is known. The known Raman spectra are stored in computing means in digital form and the comparison is accomplished by the computing means.

Qualitative and quantitative analysis using Raman scattering

Apparatus for converting weak light, or light of low intensity, to electrical signals descriptive of such light. The apparatus is capable of sensing differences in photon flux over an area of detection, that is, sensing a pattern of lighter and darker areas. An important application of the apparatus is in spectroscopy and spectroscopic anaylsis, where it is desired to record a spectrum in other than visual form.

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Deerfield, IL, United States of America

Robert P Schnell