News tagged with mercury sulfide
Older dental fillings contain form of mercury unlikely to be toxic
A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
Dec 09, 2009 |
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Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study
(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...
Chemistry / Analytical Chemistry
Nov 11, 2009 |
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How Mercury Becomes Toxic In The Environment
(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to ...
Aug 18, 2009 |
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Search results for mercury sulfide
A close-up view of Mercury: Researchers find the planet may have had a dynamic past
New observations from a spacecraft orbiting Mercury have revealed that the tiny, pockmarked planet harbors a highly unusual interior — and the craft’s glimpse of Mercury’s surface topography ...
Space & Earth / Space Exploration
Mar 22, 2012 |
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Mercury's surprising core and landscape curiosities
(PhysOrg.com) -- On March 17, the tiny MESSENGER spacecraft completed its primary mission to orbit and observe the planet Mercury for one Earth-year. The bounty of surprises from the mission has completely ...
Space & Earth / Space Exploration
Mar 21, 2012 |
4.8 / 5 (12) |
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Novel device removes heavy metals from water
An unfortunate consequence of many industrial and manufacturing practices, from textile factories to metalworking operations, is the release of heavy metals in waterways. Those metals can remain for decades, even centuries, ...
Dec 16, 2011 |
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Argonne scientist energizes quest for lost Leonardo da Vinci painting
Perhaps one of Leonardo da Vinci's greatest paintings has never been reprinted in books of his art. Known as the "Battle of Anghiari," it was abandoned and then lost—until a determined Italian engineer ...
Sep 29, 2011 |
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Nuclear detector: New materials hold promise for better detection of nuclear weapons
Northwestern University scientists have developed new materials that can detect hard radiation, a very difficult thing to do. The method could lead to a handheld device for detecting nuclear weapons and materials, such as ...
Sep 12, 2011 |
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Messenger orbital data confirm theories, reveal surprises
On March 18, 2011, the MESSENGER spacecraft entered orbit around Mercury to become that planet's first orbiter. The spacecraft's instruments are making a complete reconnaissance of the planet's geochemistry, ...
Space & Earth / Space Exploration
Jun 16, 2011 |
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Brookhaven Lab Patents New Method for Mercury Remediation
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have patented a new method to remove toxic mercury from soil, sediment, sludge and other industrial waste. As described in recently ...
Sep 15, 2009 |
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Scientists Gaining Clearer Picture of Comet Makeup and Origin
Scientists are getting their best understanding yet of the makeup of comets – not only of the materials inside these planetary building blocks, but also of the way they could have formed around the Sun in the ...
Jul 17, 2006 |
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APS X-rays reveal the real chemistry behind mercury mixed in mustard agent
The U.S government's effort to dispose of mustard agent from the 1940s by incinerating it was halted when workers discovered that hundreds of containers of the agent were contaminated with mercury. Researchers ...
Physics /
Jan 16, 2006 |
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List of search results for mercury sulfide
