Quote:
Originally Posted by Swanny
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I have been reviewing the various recommendations here and elsewhere on the interwebs and there appears to be some inconsistency and inaccuracy presented regarding the purity of silver required in the electrodes. The confusion is in the number of 9's used to describe the purity, and whether or not the description is a percentage or not.
From my reading the baseline purity is that the silver used for the electrodes must be 99.99% pure, alternately referred to as 9999+, short for 9999 parts to 10000 of silver, rest is impure, also seen as 999.9/1000!
Bullion grade silver is only 99.9% (999+) pure which allows enough impurities to potentially cause problems. You would probably only want to do this if it was an emergency and if you didn't have the right silver, but you were not planning long term treatment.
Use of most silver coins not recommended. There are exceptions to this (Canadian Maple for example, which is 9999 pure) but most are only 999 pure or worse. For example: Brittania grade silver (used for UK bullion coins) is only 97.5% (975) pure and Sterling silver is only 92.5% (925) pure. With these coins you still get your troy oz's of silver, but it is an alloy, the coins weigh in at more than their Troy oz content due to the addition of other metals to toughen them up. Don't make electrodes out of these!
It is possible (but very expensive) to get 99.999% pure silver. This is very rare and specialized material. Personally I wont be doing that. By my estimate the equivalent size to the ones I have in 99999 silver would be AUD$200 or more, when the 9999 electrodes are AUD$25 and seem good to me.
In general 99.9% is not thought by many as really pure enough if you intend on taking lots of the colloidal silver internally over a long time. Personally I agree with them, but as ever there is no hard research to back this up, just hearsay. I do think there is a case for moving to the next higher grade (9999) as this reduces the impurities by a factor of 10.
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