Sorry, I meant conductivity increases, not decreases. Marshall
Ivan Anderson wrote: > But what about the conductivity increase caused by the silver ions? > > Ivan. > > > -----Original Message----- > > From: Marshall Dudley [mailto:[email protected]] > > Sent: Saturday, 4 August 2001 02:07 > > To: *Silver-List* > > Subject: Re: CS>Where to find 50 ppm...... > > > > > > Maybe we should try putting some silver in H2O2 after measuring > > the conductivity > > of the H2O2. If the conductivity drops then it is likely that > > the silver did > > end up in the H2O2 (or even better test the result for H2O2 with > > spectrophotometery or other means). > > > > Marshall > > > > Ivan Anderson wrote: > > > > > Frank, > > > > > > I do not know what is causing the metallic silver to dissolve, > > but dissolve > > > it does, conforming no doubt to the law of physics. > > > > > > I am still not convinced that metallic silver does not dissolve to some > > > degree in water, even if you laugh at such a silly idea! > > > > > > >From www.silverlon.com > > > note: silverlon coating is 99% metallic and 1% oxide. > > > > > > Differences in the Release Rates of Ionic and Nonionic Silver > > > > > > The silver released from the Silverlon® surface is 100% in the > > ionic (Ag+1) > > > with no silver released in the metallic nanocrystaline form. The silver > > > released from the Acticoat® surface is ionic (Ag+1) and metal > > > nanocrystaline. The vapor deposition technique utilized in the > > manufacturer > > > of Acticoat® creates nanocrystaline clusters on the surface of > > the plated > > > surface that are easily displaced by mechanical forces. > > Quantification of > > > the rate of silver (nanocrystaline and ionic) release has been > > measured for > > > Silverlon® and Acticoat® in vitro. The Silverlon® silver > > release rate was > > > measured in vitro in a specified volume of tryptic soy broth while the > > > Acticoat® silver release rate was measured in water flowing through the > > > Acticoat dressing at a flow rate of 0.33 ml/hour (considered > > ultra slow) or > > > 7.92 ml per 24 hours. In 24 hours, Acticoat® (64 cm2) release 40 > > > microgram/ml of water. In 24 hours, Silverlon® (100 cm2) Wound Contact > > > Dressing released 30 micrograms/ml of tryptic soy broth. > > Tryptic soy broth > > > more closely approximated the physiology of a wound than water. > > Due to the > > > differing experimental procedures, conclusions are difficult at > > best. The > > > silver released from Acticoat® comprised a mix of ionic silver and > > > nanocrystaline species of silver whereas the silver release > > from Silverlon® > > > comprised only ionic silver. > > > > > > > -----Original Message----- > > > > From: Frank Key [mailto:[email protected]] > > > > Sent: Friday, 3 August 2001 00:00 > > > > To: *Silver-List* > > > > Subject: Re: CS>Where to find 50 ppm...... > > > > > > > > > > > > Ivan wrote: > > > > > > > > > If the silver is absorbed as you believe, then no reaction > > would occur > > > > > between the host and the silver, or the silver and any > > > > pathogens. However, > > > > > it has been determined that silver coated bandages (silverlon) > > > > provide an > > > > > influx of silver ions into the wound, when the bandage is kept > > > > moist, so the > > > > > silver metal obviously dissolves in these conditions. > > > > > > > > So what exactly is causing metallic silver to dissolve? > > > > > > > > The last time the discussion of silver dissolving was raised, you > > > > claimed silver dissolves in water. > > > > > > > > frank key > > > > > > > > > > > > -- > > > > 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] > > > > Silver-list archive: > http://escribe.com/health/thesilverlist/index.html > > > List maintainer: Mike Devour <[email protected]> > > >
