What you’ll learn3 learning objectivesChoose one objective for a focused lesson, or study the complete topic.37.2.1And understand the terms• Describe and understand the terms: (a) stationary phase; a high boiling point non-polar liquid (on a solid support); (b) mobile phase; an unreactive gas; (c) retention timeSyllabus objective37.2.2Gas / liquid chromatograms• Interpret gas / liquid chromatograms in terms of the percentage composition of a mixtureSyllabus objective37.2.3Retention times• Explain retention times in terms of interaction with the stationary phaseSyllabus objective