----- Original Message ----- From: Ivan Anderson <[email protected]> To: Silver-List <[email protected]> Sent: Tuesday, September 14, 1999 3:50 PM Subject: Re: CS Problems
> > ----- Original Message ----- > From: <[email protected]> > > > Hi Ivan; > > G'Day Bob, > > > Thanks for the responce. I have printed it out so I can now > "loose it" in > > the files :) > > The spectrophotometer reads only the ionic portion. I guess > that I will have > > to ask Marshall to run through the digsetion process, as the > fumes are very > > hazardous. > > Do you need to treat your CS in a specific manner to isolate the > ionic portion? > > > I will set up to day and run your parameters, but I have a > question. If you > > product is totally ionic how can it be called colloidal silver > as a colloid > > is metal. > > I'm not sure if I understand you here Bob. A colloid is simply a > description of a state wherein particles are distributed > thoughout a medium (solid or liquid) and the particles are of > size range (1 - 1000 nm) which is too small to be considered a > suspension and too large to be thought of as disolved. The > particles may or may not be metalic, and may be electrically > neutral or charged (ionic). > Ionic particles are simply atoms, molecules or particles which > have lost or gained electrons and are not electrically neutral. > Some people use the term ionic to mean disolved elements or > compounds (physics vs chemistry, organic chemistry vs inorganic > chemistry) which just causes confusion. > A totally ionic colloid, as far as I am concerned, is a colloid > composed of ions, be they single atoms or multiatomic, or a > mixture of both. > > > In talking to my chemist friends nitirc acid will not dissolve > silver > > colloid unless one boils it dry and does some reconstituting > and > > normallizing (HELP). Normally nitric acid will turn silver > black > > immediately and attack it very vigiorously, but not in the > colloidal state. > > That is understandable if the colloid is ionic. Ag+ ions have > already been oxidised (lost an electron) and considerable energy > would be required to remove further electrons, so no reaction. > What is the object of reacting silver with nitric acid? Would > this not produce silver nitrate? > > > How about some of you chem techies putting in about 3 cents > worth right > > about here????? > > > > Ivan, send your mail address off list as I would like to send > you some > > things. > > [email protected] > > > "Ole Bob" > > 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: > [email protected] -or- [email protected] > with the word subscribe or unsubscribe in the SUBJECT line. > > To post, address your message to: [email protected] > > List maintainer: Mike Devour <[email protected]> >
