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Contact Cell for Toxic Liquids

Volume 11, Number 3 (Aug. 1957) Page 137-137

Criddle, E.E.; Grey, A.A.; Hubley, C.E.


For infrared spectrophotometric analysis of moderately volatile liquids which are corrosive or toxic, special precautions must be taken to prevent evaporation of the sample into the spectrophotometer or the laboratory atmosphere. This note concerns a simple liquid-film cell from which all noxious vapor can be continuously exhausted through a decontamination trap.