Table 3. Comparison of Library Retention Indices to Those Calculated for Selected Derivatives.

Lp.	Derivative	library RI	calculated RI	Difference: RI lib – RI cal
1	bis(2-heptyl) (Figure 10)	1828	1850	–22
2	mono 2-heptyl (Figure 10)	1529	1520	9
3	bis(2-octyl) (Figure 10)	2008	2024	–16
4	mono 2-octyl (Figure 10)	1618	1603	15
5	bis(4-methyl-1-pentyl) (Figure 14)	1768	1778	–10
6	mono 4-methyl-1-pentyl (Figure 14)	1483	1494	–11