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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

Infrared Analyzers: Organic molecules, in general, contain interatomic valence bonds which exhibit characteristic resonance frequencies. These can be identified in the absorption spectrum of the material in gaseous form. Such information can be used to study the structure of complex molecules. In addition to research, infrared analyzers are used extensively for process quality control [e.g. in pollution control, in food technology].  3, record 1, English, - infrared%20analyzer

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 OBS

Absorption dans l'infrarouge: Bien que la plupart des gaz absorbent dans l'infrarouge [...] l'application de l'absorption infrarouge est restée longtemps limitée à quelques analyses de laboratoire [...] La réponse d'un analyseur en fonction de la concentration optique a l'allure indiquée sur la courbe de la figure 85 [...]  2, record 1, French, - analyseur%20%C3%A0%20infrarouge

Record 1,  Textual support,  Spanish