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Re: [BKARTS] sodium borohydride, too!



Please excuse the error- I meant effervescence and not efflorescence. 

Doug Sanders


> -----Original Message-----
> From: Douglas Sanders
> Sent: Tuesday, January 11, 2005 1:49 PM
> To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
> Subject: Re: sodium borohydride, too!
> 
> Well, here's the usual debate on bleaching cropping up.

  It does
> liberate hydrogen, so you will notice bubbles forming in the beaker as
> you mix with water.  This can be a problem (as Jack Thompson alluded
> to)- in some papers the efflorescence will cause blistering to occur
on
> the surface.
> 

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