Sentence examples for isocratic mode from inspiring English sources

The device was operated in gradient or isocratic mode continuously for up to 6 weeks.

Peak shape parameters required in peak purity evaluation were modelled by adapting previous developments in isocratic mode.

Finally the solvent gradient mode is compared with the isocratic mode in terms of productivity and solvent consumption.

A simple multi-parameter strategy was designed for simultaneous optimization of analysis time and resolution values in micellar liquid chromatography of four natural antraquinone dyes (Alizarin, Purpurin, Danthron, and Quinizarin) in isocratic mode.

Simulated Moving Bed separations of enantiomers or fine chemicals are usually carried out in the isocratic mode, i.e. by applying the same operating conditions (temperature, pressure, mobile phase composition, pH) in the whole SMB unit.

Test analytes of charged and uncharged dyes and pharmaceuticals of varying hydrophobicity showed typical RSD values of 0.7 1.4% and 3.3 4.8% in isocratic mode and 1.2 4.6% and 3.2 6.4% in gradient mode, respectively for retention time and peak area repeatability.

Materials and Methods: The HPLC separation was carried out by reverse phase chromatography on an inertsil ODS-3 V column (5 μm; 250 × 4.6 mm2) with a mobile phase composed of 0.02 M potassium dihydrogen orthophosphate, 0.02 M dipotassium hydrogen orthophosphate in water:acetonitrile (30 70 v/v) in isocratic mode at a flow rate of 1 ml/min.

The first mobile phase composition was water with 0.1% AA/acetonitrile with 0.1% AA (88%/12%, by volume), followed at 9min later by the second composition of mobile phase which was step-changed to 85%/15%, at 19min by the third composition which was step-changed to 73%/27%, at 30min when it was changed to 65%/35% and finally it was maintained in isocratic mode to the end of the run time at 50min.