3. Export Curve Equation (1)Export Curve Equation (Gauss distribution e 2 7-8 o√2
3. Export Curve Equation (1) Export Curve Equation (Gauss distribution) ( ) e c t t R c 2 2 2 0 2 − − = 7-8
(2)The Shape of Export curve R 0.607h 0.5h (tar): unreteined time Vm(vai): unreteined volume R: retention time R: retention volume TR: adjusted retention time VR: adjusted retention volume
(2) The Shape of Export curve tm (tair): unreteined time tR: retention time T’R: adjusted retention time Vm (Vair): unreteined volume VR: retention volume V’R: adjusted retention volume
h: Peak of zone o' Standard deviation Y: Width of zone Y12: Half peak width 7-10 Y12=2√2h2a=2360 7-11 tr=tm(1+k) 7-12 人=-R 7-13
h: Peak of zone : Standard deviation Y: Width of zone Y1/2: Half peak width R R m t = t −t ' Y1/2 = 2 2ln 2 = 2.36 Y = 4 m R t t k ' = t t m (1 k) R = + 7-9 7-10 7-11 7-12 7-13
(3)The Number of theoretical plate and HETP n=5.54 16 R 7-14 1/2 Y R effect =5.548 Y 7-15 L L: length of the column effect 7-15 effect 1+k 7-17 k effect
(3) The Number of theoretical plate and HETP 2 2 1/ 2 5.54 16 = = Y t Y t n R R 2 2 1/ 2 ' 16 ' 5.54 = = Y t Y t n R R effect effect effect n L H = neffect k k n + = 1 L: length of the column 7-14 7-15 7-15 7-17