Date   : Thu, 28 Oct 2010 23:49:02 +0100
From   : pete@... (Pete Turnbull)
Subject: Reversing the Tube ULA (destructively)

Theo Markettos wrote:

> How conc was your conc nitric?  FWIW our lab's decapsulation used fuming
> 98% nitric acid:
> http://www.cl.cam.ac.uk/~mgk25/sc99-tamper.pdf

Of course; normal conc nitric is about 15M or 16M and is nothing like 
fuming nitric, which is somewhere between 21M and 24M depending on 
type/grade.  That was part of my point :-)  Mine is reagent grade so 
about 16M.  The water content makes a big difference to the corrosive power.

-- 
Pete                                           Peter Turnbull
                                               Network Manager
                                               University of York