1.1本指南主要涉及超临界流体色谱中使用的术语和关系。 1.2由于许多基本术语和定义也适用于气相色谱法和液相色谱法，因此本指南尽可能使用与规程E355和E682相同的符号。

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 E355 and E682.