Putting the Rule of 20 Into Practice
By Aimee O'Driscoll, 08 May 2020
We explain the rule of 20 in detail and discuss how to put it into practice. Included is a guide to vacuum pressure for common solvents.By Aimee O'Driscoll, 08 May 2020
We explain the rule of 20 in detail and discuss how to put it into practice. Included is a guide to vacuum pressure for common solvents.By Aimee O'Driscoll, 21 February 2020
We review best practices for maintaining your rotary evaporator to keep it in good working order and prolong the lifespan of your unit.By Aimee O'Driscoll, 16 December 2019
We explain the two main ways to clean your rotary evaporator: the "quick and dirty" method and a thorough cleaning. We also discuss the pros and cons of each method.By Aimee O'Driscoll, 31 October 2019
We explain ethanol extraction processes for cannabis applications, with a focus on ethanol removal using a rotary evaporator.By Aimee O'Driscoll, 23 September 2019
We discuss the most common types of vacuum pumps for use with rotovap systems and closely examine the advantages and disadvantages of oiled versus oil-free pumps.By Carlton Hoyt, 23 July 2019
We reveal the sometimes non-obvious downsides to purchasing a discount rotary evaporator directly from a Chinese seller, such as on Amazon or Alibaba.By Aimee O'Driscoll, 26 June 2019
There are several ways to make your rotary evaporator process faster, including increasing the vessel size and increasing the speed. We explain these and other tactics and discuss their practical limitations.By Aimee O'Driscoll, 04 April 2019
We look at the potential implications of using the wrong pump for a given application and the factors you should consider when choosing a pump.By Aimee O'Driscoll, 04 April 2019
We explain the most important factors to consider when shopping for an appropriate chiller, including minimum temperature and cooling capacity.By Aimee O'Driscoll, 16 February 2019
We examine why rotovap implosions occur, the dangers involved, and what you can do to prevent rotary evaporator glassware implosions and resulting injuries.By Aimee O'Driscoll, 21 November 2018
We explain the considerations involved when deciding whether or not to use a fume hood with your rotary evaporator, plus offer some alternative options.By Carlton Hoyt, 21 August 2018
I've been asked a few times by customers if we offer rotary evaporator packages - in other words, systems complete with a chiller and vacuum pump. We do, but we do not offer many of them. There are a few good reasons for this, and you should consider these reasons if you're thinking about buying an "out-of-the-box" package.By Aimee O'Driscoll, 20 August 2018
We explain how a chiller can be jury-rigged and describe the advantages and disadvantages of such a setup.By Aimee O'Driscoll, 19 July 2018
We reveal why rotary evaporation is more efficient than standard distillation by examining the similarities and differences between the two methods.By Aimee O'Driscoll, 09 May 2018
Having a chiller not hold its temperature can be detrimental to the application it's being used for and frustrating for the user. We explore the potential reasons your chiller might not be holding temperature to help you identify the issue.