•Can define specific retention volume (Vg)
•
• VRo – VMo 273
• Vg = --------------- x -------
• W Tc
•
•Where W = mass of stationary
phase
• Tc = column temp. (oK)
•
• VRo = j tR F
VMo = j tM F
•
•Can relate Vg to K (partition ratio)
•
• K 273 W
• Vg = ---- x ------- rs = ------
• rs Tc Vs