A NEW MODEL OF GAS LIQUID CHROMATOGRAPHY APPLYING THE KINETICS OF GASEOUS ADSORPTION AT SURFACES
Zaranyika, MF; Ndlovu, S
| HERO ID | 4969047 |
|---|---|
| In Press | No |
| Year | 1991 |
| Title | A NEW MODEL OF GAS LIQUID CHROMATOGRAPHY APPLYING THE KINETICS OF GASEOUS ADSORPTION AT SURFACES |
| Authors | Zaranyika, MF; Ndlovu, S |
| Journal | Analytical Sciences |
| Volume | 7 |
| Page Numbers | 209-214 |
| Abstract | The dependence of the adjusted retention volume, VD, in gas liquid chromatograph on carrier gas flow rate, u, was stu8ied for several solutes using 5% squalane statioyary phase and 40-60 mesh fluoropak 8 as support. In all cases VD increases in a stypwise fashion as u increases. In each step the rate of increase of Vplis intitially high, but gradually decreases until VD levels off. V R is further shown to be directly proportional to n, he number of adsorbant sites in the stationary phase recognised by a single analyte molecule during its paysage through the column and, based on this relationship between VD and n, a new model of gas chromatography applying the kinetics 6f gaseous adsorption at surfaces, and whose predictions are consistent with the experimental data above, is presented. |
| Doi | 10.2116/analsci.7.Supple_209 |
| Wosid | WOS:000209357900056 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |
| Keyword | gas liquid chromatography; retention volume; carrier gas flow rate; gas adsorption kinetics |