I think it is an important issue and I would appreciate your response.
PS On a separate issue, my response to the previous posting was in
reference
to using AA (atomic absorption) spectrometry but you use color
spectrometry.
Best regards
Frank Cuns-Rial
----- Original Message -----
From: "Marshall Dudley" <[email protected]>
To: <[email protected]>
Sent: Tuesday, June 14, 2005 9:34 AM
Subject: Re: CS>Forward from Ole Bob regarding Microdyn
>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" <[email protected]>
>> >To: <[email protected]>
>> >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" <[email protected]>
>> >> To: <[email protected]>
>> >> 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.
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>> >>>
>> >>> List maintainer: Mike Devour <[email protected]>
>> >>>
>> >>>
>> >>
>> >>
>> >
>> >
>> >
>> >
>> >--
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>> >Version: 7.0.323 / Virus Database: 267.6.8 - Release Date: 6/11/2005
>> >
>> >
>>
>> --
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>
