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3 Current white paper about the topic water

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New since 5000 years

Induced gratings: new method for the determination of nanoparticles

05-11-2010

Although the ancient Egyptians already used inks 5000 years ago, inks and their properties have been continuously improved and refined over thousands of years. Nevertheless, the basic principle of tinta acqua (colored water) remains the same. Today, in addition to inks based on dissolved dyes, ...

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Size and element specific determination of Ag nanoparticles in consumer spray products using asymmetric flow field flow fractionation (AF4) coupled to ICPMS

10-09-2010

The use of nanoparticles in consumer products shows a tremendous increase over the past years. A study of the Woodrow Wilson International Centre for Scholars reported that between 2005 and today the number of products based on nanoparticles increased almost twentyfold from 54 to 1015. As active ...

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Sum parameters "on trail"

Continuous TOC determination in environmental analysis

27-05-2005

Identification of organic pollutants in wastewater is essential for performance evaluation, construction and operation of a wastewater treatment plant. Several parameters are currently used in wastewater analysis applications. The advantages of TOC analyses are apparent especially during ...

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