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61 Current news about the topic chromium

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Scientists patent corrosion-resistant nano-coating for metals

Thinner, less toxic than existing coatings; efficient and economical to produce

30-Mar-2009

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 ...

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ASTM International Declarable Substances Committee Approves First Test Method

29-Sep-2008

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 ...

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Argonne scientists discover networks of metal nanoparticles are culprits in alloy corrosion

New alloy composition could cut costs for petrochemical industry

06-Aug-2008

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 ...

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UD researchers set new chemical world record

23-Nov-2007

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 ...

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Physicists pin down atomic spin for spintronics

21-Sep-2007

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 ...

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Chromium (VI) in leather clothing and shoes problematic for allergy sufferers

BfR recommends strictly limiting levels in leather goods

04-Jul-2007

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 ...

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BASF and voestalpine have developed a steel passivation compound that is free of heavy metals

Chromium-free and fluoride-free passivating compound for use in conversion coatings applied to galvanized steel strip

05-Apr-2007

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 ...

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LANXESS acquires activities from The Dow Chemical Company in South Africa

Divestment of textile processing chemicals business in North America

18-Dec-2006

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 ...

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New Legislation to Have Domino Effect on Application Markets for Ferrous Sulphate

Demand from Cement Industry for Chromium Reducing Agents Set to Soar, Impact Availability and Prices

05-Aug-2005

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 ...

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Agilent Technologies and Metrohm introduce solution to easily measure chromium (III) and toxic chromium (VI) in the environment

11-May-2005

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 ...

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