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8 Current white paper about the topic waterrss
Biomass determination of algae in photobioreactors using TOC
The determination of algal biomass using TOC is a new method that has proven to be highly suitable in a laboratory environment for the measurement of biomass yield in photobioreactors and for the monitoring of algal growth. In combination with other sensors, additional information on the ...
Use of novel analysis methods
Our experience with sugar starts in early childhood – since breast milk contains lactose. Human sensory perception alone is, however, not enough to properly assess the useful but also potentially harmful effects of an age-old sweetener (saccharose). Nutrition researchers and physicians have, for ...
Smart Solutions for large Molecules
As demonstrated here, there are a broad range of HPLC applications used in development, production, validation and release of protein therapeutics for human use. Some of the applications mentioned above are mandatory when submitting a new biopharmaceutical to approval at the regulatory agencies. ...
Induced gratings: new method for the determination of nanoparticles
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, ...
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 ...
1st July 2006 is an important deadline for the electro- and electronics industries. This date bans hazardous substances like lead, cadmium, mercury, hexavalent chromium and polybrominated biphenyls and diphenyl ethers from electro- and electronic equipment. This restriction, even though in ...
Transmission spectroscopy was the only method in general use until the early 1960s. The first applications of attenuated total reflection (ATR) or internal reflection spectroscopy were reported independently by Fahrenfort and Harrick. Especially macromolecular materials (rubbers, fibers, fabrics, ...
Continuous TOC determination in environmental analysis
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 ...