Articles & Tech Notes

Author: John Barley, Portfolio Manager, SP VirTis Overview Freeze-drying is the removal of ice or other frozen solvents from a material through the process of sublimation and the removal of bound w...

What Do We Mean by Mixed Solvents? 

This month, we are discussing a complex problem that is becoming more and more prominent because of the chemistries specified and the ways of working tha...

By: SP Genevac What’s it Worth? Did you ever calculate the value of the samples you put through your evaporator? In many cases, the value of a month’s throughput is more than the value of ...

By: SP Genevac What’s So Special About TFA? TFA (Trifluoroacetic acid) has several properties that make it very important that you take the right precautions when evaporating it, in order to get ...

By: Dr. Raffaele Faita, Dr. Agostino Brunetta Introduction Leochimica Laboratories were founded in 1980, and are at the cutting edge of research into newmethods for environmental analysis. Wor...

By: SP Genevac Many solvent evaporators are routinely sited inside fume extraction hoods because residual solvent vapour, remaining in the chamber at the end of a run, can expose the operator to un...

By: David Clayton, Stephen Knight Scientists working at the Great Lakes chemical company site in Manchester, UK have an interestingapproach to new product development. ...

By: Peter Bennett & Ian Whitehall Introduction Changing sample vessel format is an area of Discovery research that can cause problems: sample tracking, sample loss and robotic referen...

By: Rob Darrington, Product Manager, Genevac Ltd., Paul de Fraine, Group Leader, Chem Tech Group Syngenta and Mike Jones, Group Leader, Scynexis Europe Ltd. Introduction In the modern purification ...

By: Ngaio Richards, Steve Lancaster, Sarah Hall, Karen Scott Introduction Diclofenac (Figure 1) is a non-steroidal anti- inflammatory drug (NSAID) that is extensively used to treat pain a...