[meteorite-list] Etching of large MORASKO

From: Marcin Cimala <marcin_at_meteoritecentral.com>
Date: Tue, 19 Jul 2011 12:15:53 +0200
Message-ID: <ED9394EDFD334E57B642BE2F663BB476_at_meteorytf1cafb>

> Hi Bernd and all,
>
> Nitric acid is bad stuff. It will stain your skin and should only be used
> with protective gloves and googles. It is a cancer causing material and
> extream caution should be used at all times with this acid.It also tends
> to explode when mixed with different items. Other than that, it is great
> for etching meteorites.

I have never any problems with nitric acid. For me it work excelent instead
of other methods.

-----[ MARCIN CIMALA ]-----[ I.M.C.A.#3667 ]-----
http://www.Meteoryty.pl marcin(at)meteoryty.pl
http://www.PolandMET.com marcin(at)polandmet.com
http://www.Gao-Guenie.com GSM: +48 (793) 567667
--------[ Member of Polish Meteoritical Society ]--------




> --AL Mitterling
>
> Quoting "Bernd V. Pauli" <bernd.pauli at paulinet.de>:
>
>> Michael kindly wrote: "Very nice video!"
>>
>> Hello Michael and List,
>>
>> Although it has been said many times before, we should put potential
>> newbies,
>> who would like to etch an iron meteorite with nitol, on the alert:
>> Please, be
>> careful and do wear protective gloves and goggles, because, and let me
>> now
>> quote from our late R. Norton's Field Guide to Meteors and Meteorites, p.
>> 255:
>>
>> "When mixing ethanol/nitric acid solution great care should be taken to
>> see that
>> the nitric acid is always poured *into the alcohol beaker, never the
>> reverse!
>>
>> This prevents splattering of the acid as it is applied to the working
>> solution.
>> (Working with concentrated nitric acid is dangerous and requires handling
>> with extreme care.)*"
>>
>> Wishing you a good night
>> from late night Germany,
>>
>> Bernd
>
>
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Received on Tue 19 Jul 2011 06:15:53 AM PDT