It would help if you knew what the other 1% is. If it is mercury, arsenic or lead, stay away from it. If it is copper and/or gold, then by all means it would be fine.
I believe nickel would also not be too much of a problem as long as the water is not highly acidic. Marshall Reid Harvey wrote: > Silver Friends, > I am soliciting the opinions of the knowledgeable here as to the purity > requirements of silver electrodes, for use in making concentrated CS, of > the type that would be used to saturate ceramic water purifiers. This > CS would not be recommended for ingesting, only used for water filter > saturation immediately after production. I am well aware that three > nines (99.9%) is minimal purity for CS that is ingested, what about two > nines (99.0%) for the purpose of saturating permeable ceramics? What > about less than 99.0%? > > The purifiers are to be for the use of low income people, for whom low > cost of the system is all important. My impression is that 99.9% silver > may be double or triple the price of 99.0%. From what I'm seeing here > in South Asia it is not difficult to insure 99.0% purity for locally > processed silver electrodes. But 99.9% must be imported. So this is > much more expensive, particularly in ensuring the additional step of > rolling an ingot into an electrode. I'm also of the impression that the > major impurity in the silver may by copper or nickel, metals that would > also become situated in the purifiers, not flushed into the filtrate. > > What do you think? > Reid > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > Instructions for unsubscribing may be found at: http://silverlist.org > > To post, address your message to: silver-list@eskimo.com > > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > > List maintainer: Mike Devour <mdev...@eskimo.com>