Carlsson P, Ljungqvist B, Allander C, Hallén B, Norlander O
Acta Anaesthesiol Scand. 1981 Aug;25(4):315-8. doi: 10.1111/j.1399-6576.1981.tb01658.x.
The ability of enflurane and halothane to absorb infra-red (IR) energy was used to visualize their vapours; IR radiation was emitted by a heated screen and the absorption was studied with an IR camera. Even small concentrations of enflurane (0.2 vol %) and halothane (0.5 vol %) could be detected when released into the operating room atmosphere. Enflurane and nitrous oxide were dispersed in a similar way when they leaked from the face mask. Thus when anaesthetic pollution is monitored in the operating room, measurements of the concentration of nitrous oxide are sufficient for routine purposes. The IR method has added a new dimension to the study of occupational exposure to otherwise invisible gases.
恩氟烷和氟烷吸收红外（IR）能量的能力被用于使它们的蒸汽可视化；红外辐射由一个加热的屏幕发出，并使用红外摄像机研究吸收情况。当释放到手术室空气中时，即使是低浓度的恩氟烷（0.2体积%）和氟烷（0.5体积%）也能被检测到。当恩氟烷和氧化亚氮从面罩泄漏时，它们以类似的方式扩散。因此，在手术室监测麻醉剂污染时，氧化亚氮浓度的测量足以满足常规目的。红外方法为研究职业接触原本不可见气体增添了新的维度。
