Am 18.08.2012 10:05, schrieb Le_Forgeron:
> Le 17/08/2012 16:25, Invisible nous fit lire :
>> So, we put an old Maxtor harddrive in a glass measuring beaker, and
>> stood it in one of our fume cupboards.
>>
>> We poured nitric acid on it. Nothing.
>>
>> The guy opened a bottle of sulphuric acid, which was smoking slightly.
>> Pour some of that in... a tiny amount of fizzing. That's about it.
>>
>
> Red alert. Mixing Nitric acid with Sulphuric acid is a cocktail to make
> nitroglycerin from glycerine. The smallest part of grease might turn
> dangerous once dried.

If the aim is to destroy the drive, nitroglycerine would definitely help 
 >_<.


>> So we stand at look at it for a moment. And then my college decides to
>> add a little hydrochloric acid.
>
> Great, now the cocktail is a mix of Sulphuric acid and Aqua regia, the
> solvent for gold & platinum.
> (for gold, the proportion are 2/3 Nitric, 1/3 Chloridric; it goes to 7/9
> and 2/9 for platinum, IIRC)

Fine, so gold parts won't escape either :-P

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