Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1991-11-06
1993-04-27
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250340, 250341, 2503601, G01N 2135
Patent
active
052065103
ABSTRACT:
The invention relates to a process for the analysis of plastic mixtures by infrared transmission spectroscopy in which the spectra are run while the samples are rotated. This measure improves the accuracy and reproducibility of the spectra and, hence, the determination of individual components of the plastic mixture.
REFERENCES:
patent: 3737235 (1973-06-01), Hawes
Kubik, `Rotation of Micro Samples for Infrared Spectrophotometer Analysis`, Western Electric Technical Digest No. 3, 1966, pp. 21-22.
Diefendahl Jurgen
Dohmen Hans
Wolf Udo
Bayer Aktiengesellschaft
Glick Edward J.
Hannaher Constantine
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