Odour Free Sample Evaporation with New Technology from Genevac
12 Jun 2014
Genevac announces a proprietary “odor reduction” function for its EZ-2 evaporator which enables it to be sited on the open bench rather than taking up valuable fume hood space.
Many solvent evaporators are routinely sited inside fume extraction hoods because residual solvent vapor, remaining in the chamber at the end of a run, can expose the operator to potentially harmful odors when the system is opened.
The EZ-2’s Reduce Odor function automatically adds a repeated vent and vacuum cycle to the end of a method, which purges the evaporation chamber of residual solvent vapors. Three settings are available to optimize vapor removal without releasing trapped solvent from the cold trap.
The EZ-2 evaporator draws on the expertise of Genevac’s engineers and the experiences of many scientists in the laboratory. Using advanced evaporation science, it has been designed specifically for productive, sample-safe solvent removal, be that concentration of samples, or complete drying. Genevac’s long experience in vacuum engineering has resulted in the creation of a compact sample concentrator combining great performance, ease of use and compatibility with all commonly used solvents and acids.
Compatible with a wide range of sample holders the EZ-2 easily integrates within the workflow of any laboratory. Smart evaporator software with auto-stop provides true walk-away automation - so simple and sample safe that anyone can use it with confidence. Featuring up to 10 on board solvent specific evaporation programs the EZ-2 automatically controls vacuum and temperature to enable rapid evaporation of a wide range of solvents whilst preventing bumping and cross contamination.
As well as the reduce odor option - users may also optimize their method for specific applications such as solvent keep, and to prevent over drying when handling volatile analytes. Options are also available to enable routine, safe removal of potentially explosive solvents such as diethyl ether or pentane and removal of acids including concentrated hydrochloric acid (HCl).
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EZ-2 Series
GenevacUsing the most advanced proven technology in evaporation science, the third generation of the EZ-2 Series has been designed specifically for solvent removal in life science research; be that concentration of samples or complete drying. The innovative design of the EZ-2 Series presents many advantages for working in parallel within synthesis chemistry, analytical sample preparation and for general-purpose solvent removal needs in life science laboratories. At the heart of the evaporator is a solvent resistant, oil-free vacuum pump, and the high efficiency, defrost-free, SpeedTrap™, which traps all solvents as liquids, even water. Solvents collect in the insulated, plastic coated glass vessel, enabling the user to see the progress of evaporation and determine when the trap should be emptied. The EZ-2 Elite has a special auto-draining collection vessel fitted to the SpeedTrap, which uses the very powerful Scroll pump. The Elite can therefore evaporate the highest boiling solvents such as DMSO and perform the Genevac LyoSpeed fast lyophilisation method for HPLC fractions. There is a low-cost option available on the Standard, Plus and Elite that allows the routine use of hydrochloric acid and aggressive solvents. By building key elements in Hastelloy®, glass or PTFE, full protection against acid chlorides is achieved. New to the HCl Resistance option is the ability to evaporate concentrated nitric acid. This option must be specified when ordering, as it cannot be retrofitted. All EZ-2 models are resistant to routine use of high concentrations of TFA as standard. An additional option is available to allow safe operation for those wishing to use highly explosive solvents, such as pentane or diethyl ether - the inert gas purge system. This system can also be used to preserve oxygen or moisture sensitive samples under an inert gas blanket until the user returns to the evaporator. The EZ-2 Series can also accommodate a wide selection of sample holders, including round-bottom flasks up to 500ml, tubes up to 160mm long (including Dionex ASE® and Radleys Carousel tubes), custom reaction blocks, and shallow or deep-well microtitre plates. EZ-2 Series Models: The Standard (EZ-2) is suitable for water and volatile solvents The Envi (EZ-2 Envi) is recommended for concentration of volatile solvents The Plus (EZ-2 Plus) is recommended for solvents with boiling points upto 165°C The Elite (EZ-2 Elite) is recommended for solvents with boiling points upto 220°C