From: Jeffrey D. Mathias (jeffrey.d.mathias@worldnet.att.net)
Date: 11/11/01-09:27:59 AM Z
As to other possibilities of dichromate solutions changing:
Judy Seigel wrote:
>a. ...
>b. ...
>c. ...
>d. ...
Sandy King wrote:
>e. ...
>f. ...
If could also be that the distilled water used was not pure. (This
could be more likely than one might assume.)
Was the dichromate pure?
Was the container used to store the solution clean?
And maybe stretching, how about contamination in the air of a partially
full container?
How about contaminated droppers?
-- Jeffrey D. Mathias http://home.att.net/~jeffrey.d.mathias/
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