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Chem. 230 10

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Chem. 230 10

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    1. Chem. 230 – 10/19 Lecture

    2. Announcements Quiz 2 Results Ave = 49 (82%) Better than 2 years ago and last quiz Results better than I expected

    3. Announcements What we are covering today? Additional Topics in GC (Section 7.6) Liquid Chromatography Overview (Section 8.1) Stationary Phases (Section 8.2)

    4. GC – Other Topics Comprehensive 2 Dimensional GC (or GC x GC) See Chapter 15, section 1 Also materials from Crimi and Snow, LCGC North America (2008), 26, 62-70. Another recent review (focused on applications) is Adahchour et al., J. Chromatogr. (2008), 1186, 67-108. a simple TLC example of a 2 dimensional separation: Separation first in 1 dimension (e.g. hexane) Then separation in 2nd dimension (using different solvent – say benzene) GC x GC is most common multi-dimensional instrumental method

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