This guide deals primarily with the terms and relationships used in supercritical fluid chromatography, including techniques, apparatus, and reagents.

1.1 This guide deals primarily with the terms and relationships used in supercritical fluid chromatography.

1.2 Since many of the basic terms and definitions also apply to gas chromatography and liquid chromatography, this guide is using, whenever possible, symbols identical to Practices E 355 and E 682.