Oh, OK Mike, that gives me some more to go on. I will do some more
'searching' and see what I can turn up.
This is the thing, if one is not familiar with correct or appropriate
'terms' then it makes it a little more difficult to find answers to ones
questions.
I'm doing that 'test' Steve mentioned at the moment but it appears that
there is not a heck of a lot of difference, (after 3-4 hours), between the
3% and the 6% I have. I have since added another cap full to see if there
is anything more noticable happening, to the naked eye. I'm going to get
back to Steve with my observations.
I'm going to lead with my chin again here and suggest that the miniscule
amount of HP used with CS would be so minimal regarding any stabilisers that
these stabilisers would be inconsequential to health anyway........yes?
Thanks for that, appreciated.
N.
----- Original Message -----
From: "M. G. Devour" <[email protected]>
To: <[email protected]>
Sent: Friday, September 26, 2008 2:26 PM
Subject: Re: CS>Concensus of opinion
Dear Neville,
Reagent grade should refer only to the purity, rather than
concentration. In other words, even though it's not "pure" inasmuch as
there's a lot of water, the levels of contaminants *other than* water
would be very low.
Look in a chemical supply catalog and you'll see a bunch of different
grades for things, each of which is uniquely specified for each type of
material, depending on how hard it is to make it pure and what kind of
process it's to be used for.
It would be un-economical, but you could probably get 3% reagent grade,
for instance. But given the expense, most users would buy more
concentrated versions and dilute it themselves.
Without looking at a chemical supply catalog, I would bet that
something like 35% reagent grade would be one of the more popular
offerings... concentrated enough to be worth the expense of processing,
packaging and shipping for the customer, yet not concentrated enough to
be unstable or suffer a shortened shelf life.
I hope that'll clear things up a little! <grin>
Be well,
Mike D.
[Also consider REAGENT grade.]
This would be fairly high percentage you are talking about here though
wouldn't it? My research suggests there is your 'plain' HP, (3% or 6%
as sold OTC), 'up to and including 35% Food Grade' HP, (which I can't
get pharmacists to co-operate with in my enquiries), and then it goes
into the higher percentages over 35%, eg; 70%, 90% etc, which comes into
the 'Reagent' terminology as it starts to get somewhat 'unstable' above
35%...
[Mike Devour, Citizen, Patriot, Libertarian]
[[email protected] ]
[Speaking only for myself... ]
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