Method and apparatus for effecting chemical treatment.

摘要

An apparatus for effecting chemical treatment of a solid sample comprising treatment means (2,4,5) for causing a reactive gas phase fluid to react with a solid sample so as to effect a solid phase/gas phase reaction to produce a resultant substance characterized in that the treatment means (2,4,5) comprises means (4,5) for producing a flow of an extractive fluid through the so-treated sample so as to effect extraction of the said resultant substance, there being transfer means (1,3) for transferring the solid sample through the treatment means (2,4,5).