Re: Shelf life Uranyl Nitrate

From:Rena Fail <>


     I use 1% uranyl nitrate in the Steiner for H.pylori and spirochetes. I 
was keeping the solution for 2 weeks, but we do this stain almost every 
day. And there was a noticeable difference in the intensity of the staining 
as the solution aged.  So now it is made fresh each time.

  Rena Fail AS,HT(ASCP)
Medical University of SC
165 Ashley Ave.
Charleston,SC 29425

At 11:33 AM 2/28/01 -0500, you wrote:
>Hi...  need help with a discussion in our lab... I had always thought that 
>in a Snook's Retic the 1%  uranyl nitrate sol. was supposed to be fresh 
>each time, but we could use it for about 2 weeks with great success.  I 
>couldn't find any references so any help would be appreciated.
>Mary Bryhan HT (ASCP)
>Northern Michigan Hospital
>Petoskey, Michigan

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