J.G. Finneran Headspace Vials
![J.G. Finneran Headspace Vials](https://krackeler.com/tt/lg/graphics/0564/jpg/320020x-2375.jpg)
Headspace vials are available in clear or amber Type I borosilicate glass with crimp or screw thread finishes. The vials are used to heat the sample until the concentration of the liquid and gas phases are in equilibrium. A sample is then taken from the gas phase (headspace) for analysis.