Helium ionization detection apparatus
Abstract
In a gas chromatograph apparatus comprising a gas supply (He carrier gas), a sample injection apparatus, a chromatograph column, a He ion detector, and connecting tubes, a foreign gas (other than He) injection apparatus is installed between the sample injection apparatus and the detector. Mixing of the sample gas and foreign gas takes place readily, the sample gas is always maintained at a stable concentrator range, and accurate measurements are possible, especially at low sample gas concentrations.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- August 1984
- Bibcode:
- 1984STIN...8512332N
- Keywords:
-
- Gas Chromatography;
- Gas Ionization;
- Helium Ions;
- Ionization Gages;
- Gas Injection;
- Gas Mixtures;
- Hydrogen;
- Patent Applications;
- Instrumentation and Photography