I use color spectrometry for determining the silver content as well. Although the spectrophotometer only measures ionic content, you can easly measure the colloidal content as well if the sample is properly prepared. I use nitric acid to digest the colloidal portion to silver nitrate before making the measurement so as to get a measurement of the entire silver content. Samples that I and Frank Key both measured gave essentially the same results.
Marshall Ode Coyote wrote: > I think what Ole Bob said is that his testing procedure with a color > spectrophotometer only tests for ionic content. > > "Spectrophotometry is a commercial color test for measuring the amount of > >>> silver ions lost in the wash water of the silver plating industry" > > I think that sending a sample to Frank Key who has an AA Spectrophotometer > that detects 'total mass' will give different results. > If I'm not mistaken, he does that for free on 'commercially sold' samples > and publishes the results on his website. > > Ode > > At 12:51 PM 6/13/2005 -0500, you wrote: > > > > > >Thanks to Rich Adams, for instigating and paying for the Microdyn and the > >testing, and to Ole Bob for the testing, to solve this Microdyn mystery. So > >the infamous 3200ppm Microdyn is only 70 ppm? I'm crushed. > > > > > >----- Original Message ----- > >From: "William Missett" <miss...@prodigy.net.mx> > >To: <silver-list@eskimo.com> > >Sent: Monday, June 13, 2005 12:40 PM > >Subject: Re: CS>Forward from Ole Bob regarding Microdyn > > > > > >> I'm pretty sure the off-color phenomena is caused by the food coloring > >> (from animal sources, probably liver) to make the Microdyn look like > >> iodine, the former water purifier of choice in these parts. > >> > >> ----- Original Message ----- > >> From: "Rich Adams" <r...@kc.rr.com> > >> To: <silver-list@eskimo.com> > >> Sent: Monday, June 13, 2005 9:28 AM > >> Subject: CS>Forward from Ole Bob regarding Microdyn > >> > >> > >>> Hi Rich, > >>> > >>> Here are the test results and some necessary commentary. > >>> > >>> Spectrophotometry is a commercial color test for measuring the amount of > >>> silver ions lost in the wash water of the silver plating industry, > >>> > >>> Since 1989 I have made over 800 tests for silver ions. The human body > >>> cannot use silver colloids, only silver ions that combine with to form > >>> compound. You do not make colloidal silver. What you make is a silver > >>> hydro-sol or a silver solution. > >>> > >>> Four tests were made: > >>> #1. One drop of Microdyn in one liter of DW. indicated ionic content is > >>> 0.33 PPM. > >>> #4. Seven drops added to the about (suggested use was to wash vegetables > >>> or fruits) > >>> measured ionic content 2.2 PPM. which correlates well with #1 > >>> (0.33x8= 2.64) > >>> #2. One cc of Microdyne in 50 c DW (standard test for silver ions), when > >>> mixed with the > >>> reagent chemicals a bright red color produced indicating a high > >>> ionic content. > >>> When 500/1 solution was added to bleach it turned black. (it should > >>> have become > >>> colorless). Diluting the remaining red solution 2/1 it became > >>> colorless. It should have > >>> been less red. Something wrong. > >>> #3. Test #2 two repeated, but when adding the solution to the reagent > >>> chemicals a foam > >>> developed. (never seen this before) The mix became a very dark red > >>> indicating high ionic > >>> content. The 50/1 solution was diluted to 200/1 so that the product > >>> would be in the test > >>> equipment measuring range. The test proceeded normally and indicated > >>> a 70 PPM > >>> ionic silver content. > >>> > >>> For the newbies a European greenhouse test showed that a 20-40 PPB > >>> (billion) was very > >>> effective in eliminating cucumber Mosaic and the owner reported that he > >>> had need seen such large cucumbers. > >>> > >>> The Hawkins Jensen report of several years ago showed that a 3 PPM was 10 > >>> to 50 times more effective that 10 or 20 PPM in invitro testing of > >>> bacteria and virus. > >>> > >>> "Ole Bob" > >>> > >>> > >>> > >>> -- > >>> The Silver List is a moderated forum for discussing Colloidal Silver. > >>> > >>> Instructions for unsubscribing are posted at: http://silverlist.org > >>> > >>> To post, address your message to: silver-list@eskimo.com > >>> Silver List archive: http://escribe.com/health/thesilverlist/index.html > >>> > >>> Address Off-Topic messages to: silver-off-topic-l...@eskimo.com > >>> OT Archive: http://escribe.com/health/silverofftopiclist/index.html > >>> > >>> List maintainer: Mike Devour <mdev...@eskimo.com> > >>> > >>> > >> > >> > > > > > > > > > >-- > >No virus found in this incoming message. > >Checked by AVG Anti-Virus. > >Version: 7.0.323 / Virus Database: 267.6.8 - Release Date: 6/11/2005 > > > > > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.323 / Virus Database: 267.6.8 - Release Date: 6/11/2005
