GC Grade Gases
Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture. In preparative chromatography, GC can be used to prepare pure compounds from a mixture
| Name | Grades |
| Air | Zero, Synthetic, Synthetic HC free, Research Grade |
| Helium (He) | 4.5 (99.995%), 4.7 (99.997%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%), Research Grade. |
| Hydrogen (H2) | Zero, 4.0 (99.99%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%), Research Grade. |
| Nitrogen (N2) | Zero, 4.0 (99.99%), 5.0 (99.999%), 5.5 (99.9995%), 6.0 (99.9999%) |