You can get pure KCI at any hardware store that sells water softener salt.
It comes as KCI or regular table salt.
At 07:37 PM 11/9/03, you wrote:
Hi
Richard,
Thanks for your
response!
I think the technique of
chemistry and pharmacy
of 60 years ago may
turn out to be more
germane than current
techniques. After all, CS
may remain a populist,
grassroots appropriate-
technology for a long
time to come.
For the same reason, I
prefer off-the-shelf materials
people can buy in food stores,
or over-the-counter in
pharmacies.
The salt substitute made by
Morton Salt Company is
labelled as potassium chloride
(at 610mg per 1/4tsp = 1.2g)
with additives of
fumaric acid,
tricalcium phosphate,
and monocalcium phosphate
(no amounts listed.)
A purer source of KCl would
be preferable. Is KCl readily
available over-the-counter in
drugstores?
It may be good to use other
salts with chloride anions too.
Cations of valence +1 would be
easier to use than higher
valences, because more mass
is needed to precipitate a given
amount of silver. So, the
weighing would be easier.
Can you recommend any other
chloride salts with +1 valence cations?
Thanks for your advice!
Best regards.
Matthew
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