Marshall,
Can you tell me again the reason you dropped your excellent analysis
on the solubility of silver chloride at:
http://escribe.com/health/thesilverlist/m77225.html
The references you provide are first-rate. Especially the photo in
http://genchem.chem.wisc.edu/demonstrations/Gen_Chem_Pages/15precippage/silverchloridedissolvesinxs.htm
In your post, you state:
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"Your expert needs to go back to school. That equation is valid
only for very low concentrations of Cl ions. For the blood, which
is over 0.1 M it is not valid at all. Silver chloride at medium
and higher concentrations of Cl ions forms complexes (AgCl2,
AgCl3, AgCl4 etc.), which are very soluble. The correct equation
for this is:"
2X10^-10/[Cl] + 6.3X10^-7 + 3.4X10^-3[Cl]
"where the [Cl] is the chlorine concentration in Moles, including
the dissolved AgCl. This works out to very close to 0.9 ppm for
blood (.145 Mole), which is coincidently almost exactly the same
as it is in pure water. With higher concentrations of the chloride
ion it is even higher. I have posted a graph from Ref #2 that
shows this to a previous message to this newsgroup. For the
concentrations we are concerned with, the left hand side "A" would
be the applicable graph."
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Your explanation shows excellent theoretical and practical reasons
for the increased solubility of silver ions in the blood. I haven't
seen a good explanation from Frank to explain why it isn't valid. He
has not explained why the solution clears up in the photo:
http://genchem.chem.wisc.edu/demonstrations/Images/15precip/agcldissovesinxs.jpg
You explanation makes good sense. It is very difficult to get a
silver ion concentration close to 0.9ppm by ingestion.
For example, it would require a complete absorption of 10 oz of 15uS
cs. (Mercury equations provided at the end.)
I can find no data to indicate the efficiency of absorption of
silver ions, but perhaps a value of 5 to 10% might be appropriate.
This means 100 to 200 oz of 15uS cs could be required to reach the
solubility limit. That is a LOT of cs!
You explanation is also consistent with the work I have done to
increase the silver ion concentration in cs. Each time I figure out
how to make stronger cs, it solves problems that the previous cs
could not solve. So it might be good to explore this area some more.
Thanks,
Mike Monett
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; Blood Volume Calculations
; Roger Schafly's Mercury is available at
; http://www.mindspring.com/~schlafly/eureka.htm
; http://archives.math.utk.edu/software/msdos/calculus/mrcry209/.html
; http://archives.math.utk.edu/software/msdos/calculus/mrcry209/mrcry209.zip
; Conversion Factors
Bloodppb = 1e3 * Milligrams / BloodVol
Litres = MilliLitres / 1000 ; convert milliLitre to Litre
Milligrams = Grams * 1000 ; convert grams to milligrams
MilliLitres = 29.57 * Ounces ; convert ounces to milliliters
uS = Milligrams / Litres ; 1 uS is 1 milligram per litre
; Parameters
Bloodppb = 900 ; Marshall's solubility equation
BloodVol = 5 ; typical blood volume in litres
Ounces = 10 ; amount of cs
; Solution
Bloodppb = 900.00
BloodVol = 5.0000
Grams = 0.0045
Litres = 0.2957
Milligrams = 4.5000
MilliLitres = 295.70
Ounces = 10.000
uS = 15.218
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