M. G. Devour wrote:
Dee writes:
But in this case Annie, Marshall *has* tested it scientifically and it
came up negative, which is as much proof as anyone could need surely?

Well, not quite, Dee! <grin>

Marshall, what mode of testing are you using?
Well the test for elemental aluminum and aluminum is really quit easy since both are completely insoluble in water. You could simply dissolve it in water and see if there is anything insoluble left, but since it only has a solubility of 69 grams per liter, and the solution is slightly cloudy, I mixed it with acetic acid to produce sodium citrate which has a solubility 720 grams per liter and is crystal clear when dissolved. This makes it easy to dissolve a large amount and easy to see if there is ANY precipitate either on the bottom or in suspension since neither aluminum oxide will react with citric acid. That is how I tested it.

Marshall


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