WebJan 1, 2000 · Polythionate decomposition proceeds via two pathways: (1) a reaction with H 2 S, yielding thiosulfate and elemental sulfur; and (2) by disproportionation to sulfate and … WebApr 27, 2010 · 摘要： Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ lixiviants that include at most only small amounts of copper and/or ammonia and operate at a relatively low pH, reduction of polythionates, inert atmospheres to control polythionate production, and …
How to Pronounce Polythionate - YouTube
WebThis invention relates to a hydrometallurgical process for the recovery and separation of valuable precious, base or rare elements such as platinum group metals (PGMs), gold or silver, and other valuable base and rare metals such as nickel, cobalt, copper, rare earth elements (REE), yttrium and scandium, as well as uranium, thorium, manganese, zinc, … WebDec 1, 2003 · 4.3. Implications of the dependence on [Fe 3+] In the absence of an unlimited external supply of Fe 3+, the dependence of polythionate oxidation on Fe 3+ means that … dustcanary
Kinetics and Mechanism of Trithionate and Tetrathionate …
WebThe Oxford Biblical Studies Online and Oxford Islamic Studies Online have retired. Content you previously purchased on Oxford Biblical Studies Online or Oxford Islamic Studies … WebAug 15, 2024 · Surface oxygen vacancies are then introduced by heating the products in a reduction atmosphere. These oxygen vacancies are proposed to accelerate the formation … WebThere are a variety of polythionates, [03S-S -S03], where n can vary from 0 (dithionate) to the 20s. The anions with lower n values are named by reference to the total number of sulfur … dustbusters reading ma