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Agilent adds high-precision weighing to workbench

10 Jul 2013

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Agilent Technologies recently added a collection of new features to the 7696A Sample Prep Workbench chromatography sample-preparation system. These enhancements will enable laboratories to further minimise bottlenecks associated with sample preparation and maximise automation capabilities to prevent errors associated with manual sample-handling procedures, including weighing, diluting and making derivatives.

New features include the WeighStation, whose high-precision weighing capabilities (up to five-decimal-place readability) meet ASTM and EN petrochemical analysis standards. The device also includes new LC vial racks that enable direct placement of vials onto the auto-sampler to eliminate the possibility of vial placement and transcription errors. It also includes the Dilution Wizard, which speeds method development, minimises mouse clicks and automatically creates a series of standards for calibration curves and other repetitive dilutions.

With WeighStation, the workbench provides laboratories with the ability to weigh precise amounts of material directly into the gas or liquid chromatography vial, allowing for highly precise weight calculations required in specific ASTM and EN methods.

Workbench provides savings to the laboratory, eliminating the need for reinjections due to missed steps in sample preparation. It requires only small volumes of chemicals and solvents, produces less waste, and does not require glassware other than sample vials. Automated sample preparation ensures consistent sample processing and eliminates analyst-to-analyst variability. The instrument's automation capabilities and ability to fit in most fume hoods also reduces human exposure to hazardous chemicals and reagents.

Further information regarding the 7696A Sample Prep Workbench can be found here.




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