[meteorite-list] Iron meteorites protection - My 5 cents
From: Meteoryt.net <Meteoryt.net_at_meteoritecentral.com>
Date: Thu Apr 22 10:31:23 2004 Message-ID: <000d01c3f4a6$b5927a50$f1104cd5_at_polandme2iekcc> > Hello. > I want to describe one protection method for iron meteorites that I use from > some time with good results. > > I just have many slices of Dronino from one 5kg specimen. Like everyone > know, this is verry "dangerous" meteorite if is not protected. > First I alvays clean irons in ultrasonic cleaner using alcohol. Then minimum > some hours on radiator. Next is time for next ultrasonic cleaning, but this > time in acetone to remove all fingerprits (important on polished slices like > Dronino) and other dirts from meteorite. Then again is dry time on > radiator. > > Some time ago I received from man who is archaeologist special specimen that > is used to protect bones, ancient tools and other archeological things. This is > named PARALOID. It looks like normal clear acrylic plastic granulate or something > similar. This must be dissolve on acetone and then You can put there for > example iron meteorite. Acetone will dissapear in air but Paraloid will stay > on surface and on all cracks, holes and inside meteorite make him totally > ressistible on water, dirt from outside. Ofcourse You can use normall plastic or > transparent varmish for this, but I think its better. > > What is importand You CAN'T see if slice have Paraloid layer or not. Its > totally transparent and make ultra thin layer on any surface. > There are many different Paraloid types. For example type B72 is designed to > irons and B42 to stones. > I not tested B42 yet becouse I dont have any rusting chondrites to rescue :) > > Anyway I think its much better than transparent varnish, becouse make > thinner layer and its verry easy to remove. If Paraloid is used to protect ancient things, > then this MUST be verry good, also for meteorites. > > Ofcourse this not help if meteorite will start rust from inside. > > If someone have any questions, please send me email > > -----[ MARCIN CIMALA ]-----[ I.M.C.A.#3667 ]----- > http://www.Meteoryt.net marcin_at_meteoryt.net > http://www.PolandMET.com marcin_at_polandmet.com > http://www.Gao-Guenie.com GSM +48(607)535 195 > --------[ Member of: Polish Meteoritical Society ]-------- > > Received on Mon 16 Feb 2004 11:05:31 AM PST |
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