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. Author manuscript; available in PMC: 2012 Dec 15.
Published in final edited form as: Anal Chem. 2011 Nov 23;83(24):9531–9539. doi: 10.1021/ac202317m

Table 3.

Effect of split mode, analysis time and second dimension cycle time on corrected 2D peak capacity and corrected 2D peak capacity production rate.

a) 12 s Analysis Time [min]
15 30 60

Split Mode split-less split split-less split split-less split
1nc, measured a 37 149 88 181 157 232
2nc, measured b 24 24 24 24 24 24
<β> c 2.5 4.5 2.0 2.8 1.7 1.9
nc, 2D d 360 793 1073 1534 2257 2912
nc, 2D / tan [peaks/min] e 24 53 36 51 38 49
b) 21 s Analysis Time [min]
15 30 60

Split Mode split-less split split-less split split-less split
1nc, measured a 37 149 88 181 157 232
2nc, measured b 32 32 32 32 32 32
<β> c 4.1 7.8 3.1 4.7 2.5 3.0
nc, 2D d 291 614 899 1221 1975 2456
nc, 2D / tan [peaks/min] e 19 41 30 41 33 41
a

First dimension peak capacity calculated by eq. (7) using measured average peak width;

b

Second dimension peak capacity calculated by eq. (8) using measured average peak;

c

First dimension peak broadening factor calculated by eq. (4);

d

Corrected 2D peak capacity calculated by eq. (5);

e

Corrected 2D peak capacity production rate relative to analysis time.