If this is correct, it might have a useful emergency application: one could make large quantities of EIS using any available water source, put the product in clear containers, leave the containers in the sun, and carefully decant the EIS after several days.

BTW, the sunlight method alone can purify contaminated water in 48 hours, or so I read.


JBB


On Friday, Feb 24, 2006, at 01:39 Asia/Tokyo, Marshall Dudley wrote:

They have it backwards, sunlight reduces
(deoxidizes) silver compounds to produce silver particles.


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