Oops! :) Thanks Alberto... I probably I mixed up the figures while
noting.
Ok then, correction of the correction:
To make an amm di soln equivalent to 13% pot di: 252 / 294 x 13% ~= 11%.
Regards,
Loris.
-----Original Message-----
From: Alberto Novo [mailto:alt-list@albertonovo.it]
Sent: 12 Eylül 2005 Pazartesi 12:31
To: alt-photo-process-l@sask.usask.ca
Subject: Re:
Loris,
you need to restate your sentence. (NH4)2Cr2O7 mol.weight is 252 and
K2Cr2O7
is 294.
Alberto
> I would like to make a correction to my statement below:
>
> The molecular mass of ammonium dichromate is ~ 294, potassium
> dichromate is ~ 252.
>
> So, you have to use 294 / 252 = 16.6% more ammonium dichromate in
> order to have a solution that has the same amnt. of dichromate ions as
> potassium dichromate.
Received on Mon Sep 12 04:04:42 2005
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