enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Ammonium thiosulfate - Wikipedia

   en.wikipedia.org/wiki/Ammonium_thiosulfate

   Ammonium thiosulfate (ammonium thiosulphate in British English) is an inorganic compound with the formula [NH 4] 2 S 2 O 3. It is white crystalline solid with ammonia odor, readily soluble in water , slightly soluble in acetone and insoluble in ethanol and diethyl ether .

3. Transition metal thiosulfate complex - Wikipedia

   en.wikipedia.org/wiki/Transition_metal...

   Sodium thiosulfate and ammonium thiosulfate have been proposed as alternative lixiviants to cyanide for extraction of gold from ores [8] and printed circuit boards. [9] The complex [Au(S 2 O 3) 2] 3-is assumed to be the principal product in such extractions. Presently cyanide salts are used on a large scale for that purpose with obvious risks. [8]

4. Gold cyanidation - Wikipedia

   en.wikipedia.org/wiki/Gold_cyanidation

   Gold cyanidation (also known as the cyanide process or the MacArthur–Forrest process) is a hydrometallurgical technique for extracting gold from low-grade ore through conversion to a water-soluble coordination complex. It is the most commonly used leaching process for gold extraction. [1]

5. Rentech Nitrogen Announces Conference Schedule for ... - AOL

   www.aol.com/news/2012-11-05-rentech-nitrogen...

   The Pasadena facility's other products, which are sold domestically, include ammonium thiosulfate fertilizer and sulfuric acid. The facility uses ammonia and sulfur as its primary feedstocks ...

6. Gold extraction - Wikipedia

   en.wikipedia.org/wiki/Gold_extraction

   Cyanide leaching "heap" at a gold mining operation near Elko, Nevada. On top of the large mounds of ore, are sprinklers dispensing a solution of cyanide. Gold extraction is the extraction of gold from dilute ores using a combination of chemical processes. Gold mining produces about 3600 tons annually, [1] and another 300 tons is produced from ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. 6 tips to reduce alcohol use and cancer risk after surgeon ...

   www.aol.com/6-tips-reduce-alcohol-cancer...

   U.S. Surgeon General Dr. Vivek Murthy warned in a recent advisory about alcohol use increasing cancer risk. The advisory notes that alcohol can increase the risk of throat, liver, esophageal ...

9. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com/news

   Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL