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Latest Sulfide Stories

Toxic Ocean Conditions During Ancient Extinction Event Analyzed
2013-10-30 04:24:55

redOrbit Staff & Wire Reports - Your Universe Online Toxic oxygen-free and hydrogen sulfide-rich ocean conditions that existed during a major extinction event nearly 94 million years ago could repeat themselves in the future, according to new research being published online this week in the journal Proceedings of the National Academy of Sciences. Research, led by biogeochemists at the University of California, Riverside, suggests that the previous estimates of these oxygen-free,...

Sewer Gas Accelerates Plant Growth, Development
2013-04-18 18:14:55

Brett Smith for redOrbit.com — Your Universe Online Hydrogen sulfide, known to many as ℠sewer gas,´ is a deadly substance that many evolutionary biologists blame for several mass extinction events throughout Earth´s history. However, according to a new study in the open access journal PLOS ONE, very low doses of the pungent compound spur plant growth. The study´s lead researcher Frank Dooley, a University of Washington doctoral student, said he stumbled...

2012-02-10 00:10:24

Berkeley Lab Researchers Develop a Potential Low Cost Alternative to Platinum for Splitting Water A technique for creating a new molecule that structurally and chemically replicates the active part of the widely used industrial catalyst molybdenite has been developed by researchers with the U.S. Department of Energy´s Lawrence Berkeley National Laboratory (Berkeley Lab). This technique holds promise for the creation of catalytic materials that can serve as effective low-cost...

Carbonized Coffee Grounds Remove Foul Smells
2012-02-09 04:18:45

Scientists at The City College of New York Report Nitrogen Contained in Caffeine Enhances Odor-Adsorbing Properties of Carbons For coffee lovers, the first cup of the morning is one of life´s best aromas. But did you know that the leftover grounds could eliminate one of the worst smells around — sewer gas? In research to develop a novel, eco-friendly filter to remove toxic gases from the air, scientists at The City College of New York (CCNY) found that a material made from...

2012-01-18 13:06:56

Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals. Now scientists have determined that a structure comprising 32 lead-sulfur pairs is the smallest possible cubic arrangement that exhibits the same coordination as bulk lead sulfide. (The coordination number is the number of nearest neighbors each atom in the crystal has.) Researchers from McNeese State University in Louisiana, John Hopkins University in Maryland,...

2011-11-16 09:38:57

A component of garlic oil may help release protective compounds to the heart after heart attack, during cardiac surgery, or as a treatment for heart failure. At low concentrations, hydrogen sulfide gas has been found to protect the heart from damage. However, this unstable and volatile compound has been difficult to deliver as therapy. Now researchers at Emory University School of Medicine have turned to diallyl trisulfide, a garlic oil component, as a way to deliver the benefits of...

2011-10-04 19:15:00

Anti-microbial concrete additive in Jensen Precast BioConcreteâ“ž¢ stops bacteria growth that leads to microbial induced corrosion (MIC) in concrete wastewater systems. Watch the video http://www.youtube.com/watch?v=zVZjzQcH0ik Sparks, NV (PRWEB) October 04, 2011 Armour® introduced Dial antibacterial soap in 1948. Burlington® developed BioGuard® socks in 1976. For more than 60 years people have been surrounded by antimicrobial products. From spray...

Image 1 - Evidence For Iron-Rich Ancient Ocean Changes View Of Earth's Early History
2011-09-08 06:26:25

  Discovery challenges previous models for environment in which early life evolved Over the last half-billion years, the ocean mostly has been full of oxygen and teeming with animal life. But earlier, before animals evolved, oxygen was harder to come by. Now a new study, led by researchers at the University of California, Riverside (UCR), reveals that the ancient deep ocean was not only devoid of oxygen but also rich in iron, a key biological nutrient for nearly a billion years...


Latest Sulfide Reference Libraries

28_f61a133ae4dae9735d482110e636dcfe
2005-05-26 10:59:49

Galena is a lead ore. This article describes Galena's mineral properties. In its chemically purified form, Galena is known as Lead Sulfide; refer to that article for chemical and industrial uses. Galena is one of the most abundant and widely distributed sulfide minerals, and is the most common ore of lead. Crystals are usually cubic, sometimes octahedral. It is often associated with the minerals sphalerite and fluorite. Galena deposits sometimes contain significant amounts of silver as an...

0_9636208b7e9cc634b05f1e909433c8e6
2005-05-26 08:33:21

Pentlandite is a iron-nickel sulfide, (Fe,Ni)9S8. Pentlandite usually has a Ni:Fe ratio of close to 1:1. It also contains minor cobalt. Pentlandite forms isometric crystals, but is normally found in massive granular aggregates. It is brittle with a hardness of 3.5 - 4 and specific gravity of 4.6 - 5.0 and is non-magnetic. It has a yellowish bronze color. Pentlandite is the chief ore of nickel. Typically associated with pyrrhotite, niccolite, biotite, millerite, pyrite, and chalcopyrite...

28_64ba43868fe5d784d85bf5846bb539ad
2005-05-25 17:25:52

Silver is a chemical element in the periodic table that has the symbol Ag (from the traditional abbreviation from the Latin Argentum) and atomic number 47. A soft white lustrous transition metal, silver has the highest electrical and thermal conductivity of any metal and occurs in minerals and in free form. This metal is used in coins, jewelry, tableware, and photography. Notable characteristics Silver is a very ductile and malleable (slightly harder than gold) univalent coinage metal...

28_1fdafa4c0019ae04c8831263c611c6b5
2005-05-25 11:50:09

Tennantite is a copper arsenic sulfide mineral. Its chemical formula is Cu12As4S13. It is found in hydrothermal veins and contact metamorphic deposits. A closely related mineral, tetrahedrite (Cu12Sb4S13) has antimony substituting for arsenic and the two form a solid solution series. The two have very similiar properties and is often difficult to distinguish between tennantite and tetrahedrite. Iron, zinc, and silver substitute up to about 15% for the copper site. The mineral was named...

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Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.