The other peaks (uracil, phenol, N,N-Diethyl-M-Toluamide) are present in the chromatogram for reasons other than efficiency and asymmetry measurement.

• 谱图中的其它峰（脲、苯酚、N,N-二乙基-对甲苯酰胺）目的并不在于对柱效和不对称因子的测量。