Chromatography
World’s First user Calibrated Analytical Syringe
Mar 19 2010
NLG Analytical supplied SGE’s new eVOL® hand-held automated analytical syringe, launched in January 2010. The new syringe couples two precision devices: a digitally controlled electronic drive and an XCHANGE® enabled analytical syringe. The result is a digitally controlled positive displacement dispensing system that can be programmed to repeatedly and accurately perform a wide variety of liquid handling procedures. eVol® is
designed to improve laboratory workflow and reporting confidence in many ways, including: the programmable digital drive means liquid handling procedures are userindependent, allowing more efficient workflow scheduling and a reduction in the reanalysis of incorrectly processed or false positive samples; and XCHANGE® analytical syringes can be easily and quickly changed allowing them to be dedicated to individual
liquids, and methods, to prevent possible cross-contamination of reagents.
Unlike air-displacement devices such as pipettors, eVol® is the perfect solution for accurately aspirating and dispensing both aqueous and non-aqueous liquids. eVol® is designed for ease of use, featuring a familiar touchwheel user interface and a full-colour screen. The clever menu allows all the functions to be accessed logically and quickly, and programming functions are intuitive – with help screens and prompts. To comply with
stringent laboratory standards such as GLP, GMP, FDA eVol® can be easily calibrated to ensure accurate dispensing at all times. The gravimetric calibration procedure is simple, intuitive and can be performed at appropriate intervals.Calibration factors can be stored for up to 10 XCHANGE® syringes and can be quickly loaded when the syringe is changed.
Typical applications for eVol® include: preparation of calibration standards; addition of internal standards; precise dispensing of nonaqueous liquids; and sample dilution.
Only three XCHANGE® syringes are required to dispense liquid volumes covering the range from 200 nL to 500 μL.
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