Tietz's textbook mentions sulfamic acid as a urine preservative . It's a
strong acid (pH of a 1% solution 1.25) but it's a solid. According to my
old Merck Index it's "moderately irritating to skin and mucous membranes".
If someone would fill 10 g portions of it into tea bags I would buy them...
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Wolfgang Schneider
Division of Medical Biochemistry, Montreal General Hospital
1650 Cedar Avenue, Montreal, Quebec H3G 1A4, Canada
Phone (514)-937-6011 x 42782 Fax (514) 934-8086
Email at work: [log in to unmask]
Email at home: [log in to unmask]
Manufactured only with 100% recyclable electrons
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----- Original Message -----
From: "John Rattenbury" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, March 18, 2003 1:32 PM
Subject: Re: Catecholamines
> I find it incredible that in these time of safety and litigation we still
> give members of the public bottles containing strong acid. I know of two
> mishaps, one where the contents ended up on a patients lap on a bus and
> another of a complaint to the hospital by a patient who claimed a burn on
> a sensitive area because he was not given instructions (he was).
> I think there have been investigations with ion exchange resins but don't
> know the outcome. Could the acid not be in a sachet in the bottle,
soluble
> in urine?
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