The stationary phase in this chromatography experiment is paper. The stationary phase is the substance fixed in place for the chromatography experiment to begin, in this case paper.
Explanation:
Chromatography is used to separate compounds of substances into their ingredients. They all have a stationary phase (a solid, or a liquid supported on a solid) and a mobile phase. The solid or liquid phase of a chromatography scheme on which the substances to be departed are selectively adsorbed is a stationary phase.
