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Digestion of Trace Metals in Wastewater Using DEENA, an Automated Sample Digestion System

From Thomas Cain, Inc.
 

 

DEENA, an automated sample digestion system, alleviates most of the manual sample preparation and produces consistent and accurate analytical results. Manual sample preparation often consists of many steps that are both labor intensive and time consuming. There is often a clear desire and justification to automate. When deciding to implement automation in the laboratory, it is important to know ahead of time what the impact will be, if any, to analytical results.

The purpose of the application note is to demonstrate that DEENA automates and produces reliable and consistent results for EPA methods 200.7 and 200.8.

EPA Methods 200.7 and 200.8 are common methods for determining trace metals in water and waste-water. They involve multiple acid digestion and heating steps followed by a dilution to final volume.

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