[Paul Stoffregen] has made use of this phenomenon in a flame detector that he’s built to ... on by the flame diode being placed in its base circuit. This allows the intensity of the flame ...

IT has been found that the electrical conductivity of a flame burning a mixture of hydrogen ... and this effect can be used for detection purposes in gas chromatography.

A PROCEDURE has been developed for selectively increasing the responsiveness of a hydrogen flame ionization detector 1 to compounds which contain chlorine, bromine, iodine or phosphorus.