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Monitoring & Testing E-Zine October 2011 |
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| This Month´s Featured Articles, Papers & Reports |
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New monitoring technology helps reveal Arctic secrets
A group of Arctic researchers has employed the latest monitoring technology to investigate the effects of climate change, by measuring temperature and salinity in the water column beneath surface ice. The results of the investigation, which utilised YSI’s new `Castaway-CTD`, could cast new light on our understanding of the ways in which shifting ocean currents impact upon the climate in northern Europe. The Catlin Arctic Survey is a unique collaboration between scientists and explorers, ... | ||
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How to Achieve Low Detection and Quantification Limits for the Nitrogen Determination with Kjeldahl
Kjeldahl is one of the most commonly used techniques to determine the protein content in food and feed samples or the nitrogen content in soil, sludge, and water samples. The detection and quantification limits are important characteristics of analytical methods. The impact of the concentration of boric acid, the addition of potassium chloride, and the concentration of the titration solution on the detection and quantification limits were investigated. The best results were obtained by using 2 % ... | ||
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