Dear Silver listers,
Please unsubscribe me fot the time being, as I am getting too busy to keep
up with the list. I hope to be back soon, and thanks to you all for the
informative and interesting postings.
Best regards,
Cindy
-----Original Message-----
From: Ivan Anderson <[email protected]>
To: [email protected] <[email protected]>
Date: Tuesday, October 26, 1999 4:32 AM
Subject: CS>Colloid? was baking soda


>
>----- Original Message -----
>From: Tim Cudzilo <[email protected]>
>
>>snip<
>> Eventually, (and hopefully) this "list" will recognize the the
>maximum
>> effacy of
>> suspended silver solutions is in the charge of the solution.
>
>Oh man, where have you been? Do you think we don't realise that by
>sending a current through a couple of silver electrodes immersed in
>water that charged silver particles enter the water. The Ag+ particles
>give the solution its charge. Chemical reactions take place between
>charged atoms and complexes.
>
> > I don't read all the tripe, but I have yet to see any reference to
>an
>> electroscope.
>
>Thats because, like you, we have moved on from 4th grade science. If
>you want to know if your solution has a charge, dip your
>millivoltmeter electrodes in it.
>
>> Like it or not folks, finely divided silver IS sensitive to light.
>
>Not strictly true. Certain wavelengths of light have enough energy to
>cause a change in charge state of silver ions.
>
>> Internally, ANY silver is better than NO silver.
>>
>> CS as you refer to it, is not a colloid at all.
>>
>> Any silver particle in a suspension of pure H2o is heavier than the
>> suspending medium.
>>
>> In lay terms, a true colloid would be a jar full of pink fish eggs.
>If one
>> were to pick a few
>> eggs, inject them with a blue color and a grain of sand to make them
>> heavier than the  rest,
>> and put them back, - that would be a true colloid.
>
>Are you making this up?
>Shaving cream is a colloidal system, as is beer, milk, mayonaise.
>The definition of a colloidal system is "small 'particles' of one
>substance distributed more or less uniformly throughout another. This
>latter phase is continuous whilst the 'particles' are discontinuous.
>The continuous phase may be a gas, liquid, or solid whilst the
>discontinuous phase may also be a gas, liquid or solid. The system
>will be colloidal if the 'particles' are sufficiently small and that
>usually means less than about 1um in at least one important
>dimension."  - Introduction to Modern Colloid Science...Hunter.
>
>Whilst colloidal silver systems, properly called silver sols or
>colloidal sols, approach the dimensions of true solutions and exhibit
>little or no difference from true solutions, they are regarded as
>colloidal if the size of the particle falls between 1 - 1000 nm.
>
>> They would stay in apparent suspension. even though they were
>heavier (
>> because of the sand), because the slight increase in weight is not
>enough
>> to displace pink fish eggs around them.  If the container were
>vibrated,
>> they would eventually reach the bottom. Gravity rules.
>
>That is because fish eggs do not fit the colloidal dimension.
>The particles in colloidal silver will be denser at the bottom of the
>solution than at the top, due to gravity, by a very small degree.
>You have no understanding of the complex interaction of forces at work
>which keep particles suspended in a collodal system.
>
>> Very fine suspensions of silver will all eventually settle out.  The
>silver
>> particles bump into water molecules, like bumpers on a pinball
>machine.
>> The smaller the particles, the longer it takes. It will happen
>eventually.
>
>This is probably true, but I have litres of light yellow cs that have
>no fall out after 15 months and still retain the same charge.
>
>> If the silver particles have like charges however, they will
>continually
>> repel each other,
>> or "swim".  As long as they remain charged, they are viable
>"swimmers".
>>
>> The nature of things is that all charged "things" seek equilibrium.
>>
>> Equilibrium can be reached by giving up a charge, to reach
>stability.
>
>Stability or equalibrium does not require the giving up of charge.
>
>> If a photon (light), strikes a particle, that impact is sufficient
>to
>> change (or in this case nullify)
>> a positive charge on a silver particle.
>
>A photon is what? Why would this 'photon' strike a silver particle and
>not a water molecule through which it must travel?
>Far ultraviolet light has enough energy to alter the water in such a
>way as to have an effect on the positive silver charge(reduction).
>Incidental light does not.
>
>> At that point, it becomes just a hunk of silver.
>>
>> Everyone in this group should be familiar with the mechanics of
>oxidation.
>
>Positively charged silver particles are already oxidised (lost an
>electron).
>
>> In many ways,  what I have seen in this group is exactly akin to
>worming
>> your dog.
>>
>> You eat enough to kill ( or slow down ) the offender, but not enough
>to
>> kill the host.
>
>> Which, is fine.  Your immune system needs all the help it can get.
>
>Phew!
>
>> You would all do well to test the charge of your "solutions".
>
>With an electroscope?
>
>Regards - Ivan
>
>
>
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