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Diluter improves test accuracy and traceability

By George Reynolds , 20-Oct-2006

A new programmable gravimetric diluter can reduce food lab technicians'workload while improving accuracy and traceability, its manufacturer claims.

Traceability is a key concern within the food industry due to consumerconcerns, new regulations and the cost of recalls to plants when products are found to becontaminated.

Interscience's BabyGravimat can be calibrated to automatically repeat andreproduce precise dilutions of a series of solid samples. Dilution is part of microbiologicaltesting procedures used by plants to analyze bacteria in food samples.

 

Interscience claims that with microbiological analyses becoming increasinglydemanding, the BabyGravimat can improve the quality and efficiency of dilution process - anessential factor in reproducing a result.

 

The results are traceable when the diluter is connected to the laboratoryinformation management system (LIMS) or printer.

 

"BabyGravimat was designed in response to the increasing demand forprecision in the quality process." an Interscience spokesman said.

 

The design of the diluter also makes it is easy to use, Interscience claims.The weight of the initial sample and dilution is recorded by the weighing cell. When the new solidsample is used, the mass of required diluent is automatically added via a peristaltic pump to ensurethe solution at the dilution as the original.

 

Microbiological sample dilutions can be made using Interscience's range ofsterile bags, BagFilter, BagPage and BagLight.

 

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