Mineral Discussion Forum from Fabre Minerals - also available in If you feel any of the content is incorrect, or if you feel we are missing vital locality information, please fill out the form below so we can update the site. The central carbon is sp2-hybridized. Minerals & Varieties.
The C-O bond in these compounds are susceptible to cleavage by the Barton–McCombie deoxygenation, which provides a means for deoxygenation of alcohols. Ask-A-Mineralogist from the Mineralogical Society of America Image not yet available on Webmineral.com. The infamous Xanthite Inquisitor De Marche. "); Mindat Picture Gallary for mineral pictures. The process is called xanthation. { function printSpecial() printWin.document.write(html); Hide all sections | Show all sections. Occurrence of Acanthite. var gAutoPrint = true; // Flag for whether or not to automatically call the print function if (document.getElementById != null) They can be oxidized to the so-called dixanthogens: Xanthates bind to transition metal cations as bidentate ligands. For example, sodium ethylthioxanthate has the formula C2H5SCS2Na.
var printWin = window.open("","printSpecial", 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=350,height=350'); Johanngeorgenstadt, Saxony, Germany. Xanthates may be toxic to aquatic life at concentrations of less than 1 mg/L. H - Help Screen
} { Ag2S Dana No: 02.04.01.01 Strunz No: 02.BA.30a Locality:
var headTags = document.getElementsByTagName("head"); html += headTags[0].innerHTML; View All Minerals; View by Alphabetical Order alert("Could not find the printReady section in the HTML"); They were discovered and named in 1823 by Danish chemist William Christopher Zeise.
© Copyright 1997 - 2020 Hershel Friedman and Minerals.net, all rights reserved. Technical grade xanthate salts are usually of 90–95% purity. of Minerals,2nd ed.,1990).
The name xanthates is derived from Greek ξανθός xanthos, meaning “yellowish, golden”, and indeed most xanthate salts are yellow. Some commercially important xanthate salts include: The OCS2 core of xanthate salts, like that of the all-oxygen carbonates and other simple esters is characteristically planar. Mindat.org's Discussion Groups
if (document.getElementsByTagName != null) Named from the Greek for yellow and sulfur, in allusion to its distinctive sulfur-yellow color. drag1 - LMB Manipulate Structure [2] They are also versatile intermediates in organic synthesis. if (printReadyElem != null) else Hammers, Chisels, Loupes, Cotton-filled boxes, etc. For example, sodium diethyldithiocarbamate has the formula (C2H5)2NCS2Na. var printReadyElem = document.getElementById("printReady"); printWin.document.open(); B - Bonds On/Off
They arise from the reaction of a secondary amine with CS2.
Acanthite is composed mostly of silver, and is its most important, We strive for accurate content and locality information.
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