METTLER TOLEDO proudly announces the world's first traceable, combined density and refractive index standards. The four standard substances, certified for both density value and refractive index can be used to certify or verify density and refractive index instruments or combined measurement systems. Certification or verification is often required by quality management standards such as GMP (Good Manufacturing Practice) or ISO 17025. (PRWeb Aug 30, 2009)

Read the full story at http://www.prweb.com/releases/2009/08/prweb2806164.htm

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