Alkali Metal Modification of Silica Gel-Based Stationary Phase in Gas Chromatography

Table 6

Separation efficiency parameters of selected stationary phases using polyaromatics as probes.

Column	Naphthalene, fluorine		Fluorene, acenaphthene		Acenaphthene, anthracene		Anthracene, pyrene		Uniformity criterion
	ά	𝑅	ά	𝑅	ά	𝑅	ά	𝑅
Si	1.24	2.06	1.09	1.03	1.103	1.2	1.14	1.79	0.246
SiNa	1.364	2.467	1.121	1.16	1.144	1.54	1.124	1.467	0.27