Thanks again Ivan. Any thoughts on the best reagents to precipitate gold as colloid, concentrations to use etc? Looks like we're homing in on something here - possibly that thing at the end of the rainbow!
regards, Kevin Nolan ----- Original Message ----- From: "I Anderson" <i...@win.co.nz> To: <silver-list@eskimo.com> Sent: Monday, January 21, 2002 8:06 PM Subject: RE: CS>colloidal gold. > Kevin, > > Yes quite cost effective. 1g of gold chloride will make 49L of 10ppm > colloidal gold. > > In Australia you can obtain supplies here: > > http://www.proscitech.com.au/ > > ProSciTech > PO Box 111 > Thuringowa Qld 4817 > Australia > > Street Address: > 37 Framara Dr, Kelso, 4815 > > C106 Gold Chloride AU$58.00 1g 10% discount for 10 x 1g > > GOLD CHLORIDE hydrate > H(AuCl4) :H2O. F.W. 229.79 > Chloroauric acid; hydrogen tetrachloroaurate; gold trichloride, acid. > Assay 99.9985%. Gold content 49%+. > Used in histology for staining of nerves. This highly purified gold > compound may be used for the preparation of colloidal gold sols. > Golden-yellow to reddish, highly hygroscopic, crystals. Deteriorates > readily in UV light, is caustic on skin, dissolves well in water and > alcohol. M.S.D.S > C106 Gold Chloride, 1g (ampoule) Price > > > -----Original Message----- > > From: Kevin Nolan [mailto:ken...@optusnet.com.au] > > Sent: Monday, 21 January 2002 2:50 a.m. > > To: silver-list@eskimo.com > > Subject: Re: CS>colloidal gold. > > > > > > Thanks, Ivan. So where does one purchase gold chloride, and > > is it economic > > compared with electrolytically making from gold wire or similar? > > > > regards, Kevin Nolan > > > > ----- Original Message ----- > > From: "I Anderson" <i...@win.co.nz> > > To: <silver-list@eskimo.com> > > Sent: Sunday, January 20, 2002 11:28 AM > > Subject: RE: CS>colloidal gold. > > > > > > > Yes Kevin, > > > > > > But then why go to the trouble of electrically generating ionic > gold > > > when one can purchase soluble gold chloride. > > > > > > Chemical reduction of gold chloride by various compounds > > (tannic acid, > > > sodium citrate, etc.) as you mention is the traditional way > > of making > > > commercial and batch quantities of CG, as used in large > > amounts by the > > > bio-chemistry industry. With the ability to regulate a uniform > > > particle size from about 6nm +, it would seem to be the way to go. > > > > > > Regards > > > Ivan. > > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > To join or quit silver-list or silver-digest send an e-mail message to: > silver-list-requ...@eskimo.com -or- silver-digest-requ...@eskimo.com > with the word subscribe or unsubscribe in the SUBJECT line. > > To post, address your message to: silver-list@eskimo.com > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > List maintainer: Mike Devour <mdev...@eskimo.com> >
