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61 Current news about the topic chromiumrss
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Thinner, less toxic than existing coatings; efficient and economical to produce
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method for coating metal surfaces with an ultrathin film containing nanoparticles which renders the metal resistant to corrosion and eliminates the use of toxic chromium for this purpose. The scientists ...
ASTM International Committee F40 on Declarable Substances in Materials has approved its first test method, F2617, Test Method for Identification and Quantification of Chromium, Bromine, Cadmium, Mercury and Lead in Polymeric Material Using Energy Dispersive X-ray Spectrometry. The new standard is ...
New alloy composition could cut costs for petrochemical industry
Oxide scales are supposed to protect alloys from extensive corrosion, but scientists at U.S. Department of Energy's Argonne National Laboratory have discovered metal nanoparticle chinks in this armor. Oxide scales develop on the outer surface of alloys at high temperatures creating a protective ...
Chemists from the University of Delaware, in collaboration with a colleague at the University of Wisconsin, have set a new world record for the shortest chemical bond ever recorded between two metals, in this case, two atoms of chromium. The distance? A minuscule 1.803 Ångstroms, which is on the ...
Scientists who dream of shrinking computers to the nanoscale look to atomic spin as one possible building block for both processor and memory, yet setting the spin of an atom, let alone measuring it, has been a challenge. Now, University of California, Berkeley, physicists have succeeded in ...
BfR recommends strictly limiting levels in leather goods
Studies by the regulatory authorities of the federal states reveal that many leather goods like gloves, shoes or watch straps which come into direct contact with the skin contain high levels of chromium (VI). Hexavalent chromium is a strong allergen and it can lead to allergic skin reactions like ...
Chromium-free and fluoride-free passivating compound for use in conversion coatings applied to galvanized steel strip
For the first time, BASF will be presenting a pioneering passivating compound that is free of chromium and fluoride for use on galvanized steel strip at the 2007 Hanover Fair. This innovative BASF product has been developed in cooperation with voestalpine Stahl GmbH. BASF's Lugalvan® passivating ...
Divestment of textile processing chemicals business in North America
LANXESS is purchasing the chrome chemicals activities of The Dow Chemical Company in South Africa. LANXESS is to acquire the 50% interest in Chrome International South Africa (CISA), Newcastle, South Africa, which The Dow Chemical Company currently owns through its subsidiary Sentrachem. The ...
Demand from Cement Industry for Chromium Reducing Agents Set to Soar, Impact Availability and Prices
A new EU Directive (2003/53/EC), effective from 17th January 2005, makes it mandatory on participants in the cement value chain to control levels of toxic chromium (VI). This directive is set to trigger heightened demand from the cement industry for the reduction of agents such as ferrous ...
Agilent Technologies Inc. and Metrohm AG introduced a high-sensitivity solution to easily detect and differentiate chromium (III), an essential nutrient, from toxic chromium (VI). Also known as hexavalent chromium, chromium (VI) is a potent toxin associated with lung cancer, kidney and liver ...