Millipore’s A10® TOC Monitor Provides Accurate, Reproducible Measurement of Organic Substances in High Purity Water

Billerica, Massachusetts --- June 28, 2006 – Millipore today announced a new A10 Total Oxidizable Carbon (TOC) Monitor. The A10 TOC Monitor can measure from 1 to 999 ppb of organic substances in pure and ultrapure water at an hourly flow rate of up to 200L/hour. This cost-effective calibrated monitor is shipped with a certificate of calibration and is designed according to the requirements of the TOC Suitability Test in USP <643>.

Even relatively low TOC levels in purified water affect the outcome of many laboratory experiments. Therefore, scientists need to regularly measure TOC levels in their high purity water. Most Milli-Q® water purification systems are designed with a built-in TOC monitor to ensure regular, on-line measurement of organic substances in the ultrapure water at the time of delivery. The A10 TOC Monitor can be used on systems without built-in TOC monitors. This stand-alone monitor can be connected to any high purity water laboratory system, providing rapid measurement of TOC levels in the water produced.

An accurate TOC measurement is important in applications such as chromatography, in which moderate TOC levels will degrade the baseline quality and reduce the sensitivity of analysis. In addition, the presence of TOC will foul the chromatography column beads, preventing good mass transfer between the beads and the mobile phase and ultimately shortening the life of the column. Undetermined levels of TOC in ultrapure water used to prepare culture media or buffers will affect experiments including cell culture or electrophoresis separations.

Millipore’s Bioscience division delivers complete solutions and services for pharmaceutical, academic, life science, clinical and government research laboratories. With more than 50 years of experience, Millipore manufactures and markets several thousands of products that accelerate drug screening and improve sample preparation. For more information, please contact Millipore Tech Service at 1-800-MILLIPORE, 781-533-6000 or visit www.millipore.com/bioscience.

About Millipore

Millipore is a leading bioprocess and bioscience products and services company, organized into two divisions. The Bioprocess Division offers solutions that optimize development and manufacturing of biologics. The Bioscience Division provides high performance products and application insights that improve laboratory productivity. Millipore has a deep understanding of its customers' research and manufacturing process needs, and offers reliable and innovative tools, technologies and services. The company employs approximately 4,850 people worldwide and posted revenues of $883 million in 2004. For more information about Millipore visit www.millipore.com.

Millipore, A10 and Milli-Q are registered trademarks of Millipore Corporation.

MILLIPORE NEWS
For immediate release
Media Contact:
Karen Gobler
Communications Manager
Millipore Corporation
978-762-5294
karen_gobler@millipore.com

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