TOC monitoring

Friday, 13 May, 2005 | Supplied by:

Many applications are sensitive to organic impurities, which go undetected by resistivity measurements. Even with resistivity levels at 18.2 at 25°C, levels of organic contaminants may be high and can cause adverse effects on results.

For example, organics in water used for HPLC, LC or IC could coat the outside of the resin beads, preventing molecules or ions from accessing exchange sites, therefore reducing the separation resolution. Furthermore, in cell culture, organic substances can substantially affect cell viability and growth.

Millipore's built-in A10 TOC monitor continuously measures the organic purity level of the product water as it leaves the system.

This device is an added benefit of Milli-Q range models that enables users to master a whole new aspect of water purity.

Both the organic purity of product water and the standard measurement of ionic purity are displayed directly on the system, offering a complete picture of product water purity.

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