SUNAYANA: Let’s say we have a complex mixture. In this case, we need to use a fractionating column which is cooler towards the top than the bottom. This makes sure that only the pure liquid with ...

The vapour condenses in the condenser before the other liquid boils. The long fractionating column ensures that the second liquid does not get into the condenser until most of the first one has ...

As regulatory activity surrounding per- and polyfluoroalkyl substances (PFAS) increases, there is a need to minimize the ...

In atmospheric distillation units, one or more fractionating columns are used. Distilling a crude oil starts by preheating the feed by exchange with the hot product streams. The feed is further heated ...

For troubleshooting fractionators see the troubleshooting section in this book. For a general understanding of how trayed and packed fractionating columns work, illustrated by actual field causes, I ...

Distillation columns are extensively deployed in the chemical process ... natural gas liquids recovery and fractionation, gas plants associated with petroleum refining units, the cold side of ethylene ...

It’s also told in 155 scenes carved in a spiral frieze on a monumental column. In back-to-back wars fought between A.D. 101 and 106, the emperor Trajan mustered tens of thousands of Roman troops ...

Fractionating the Fruit Fly A simple technique reveals that genes controlling eye color in flies also control the production of a whole family of unusual substances. The study has importance for ...

The victory of the Roman emperor Trajan over the Dacians in back-to-back wars is carved in numerous scenes that spiral around a 126-foot marble pillar in Rome known as Trajan’s Column.

The direct coupling of the column effluent to a diode-array UV detector and multiple-wavelength fluorescence detection system facilitates multiplex image analysis during fractionation 5,15 ...

ProPur columns offer the speed of a spin column ... Metal chelate affinity chromatography, a new approach to protein fractionation. Nature 258, 598–599 (1975).

ProteomeLab PF2D (Beckman Coulter) is a high resolution 2-dimensional liquid protein fractionation system using chromatofocusing in the first dimension and a high capacity reverse phase HPLC column in ...