----- Original Message ----- From: "James McCourt, Ph.D." <[email protected]>
To: <[email protected]>
Sent: Friday, September 26, 2008 9:26 AM
Subject: Re: CS>Concensus of opinion


[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%, (if one doesn't know what one is doing that is)...would I be correct in saying anything above 35% would fall into the 'Reagent' catagory...Yes?

Perhaps the above descriptions could be a simple dialect thing regarding 'definition' or 'terminology' and not a standard form of global definition with regard to Hydrogen Peroxide.

Thanks...Neville.

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