[meteorite-list] Iron slice etching questions
From: Michael Mulgrew <mikestang_at_meteoritecentral.com>
Date: Thu, 16 Jun 2011 19:28:38 -0700 Message-ID: <BANLkTi=hEASQV_cR=LO3-Md_rTS-XKiQDw_at_mail.gmail.com> Yup, like Rob said, with the etchant it's literally dab-dab-dab-rinse, how does that look? dab-dab-rinse-done. You don't want to soak the iron in the etchant like you do with nitric, but rather use a foam brush to apply. On Thu, Jun 16, 2011 at 6:32 PM, Matson, Robert D. <ROBERT.D.MATSON at saic.com> wrote: > Hi Shawn, > > PC board etchant works ten times faster than nitric, so you need to > watch the etch as it progresses and be ready to shut it down the > instant you "like what you see". ?No harm, of course, if it goes > too far -- you can always repolish and re-etch until you get the > result you want. Just letting you know that the etchant solution > acts VERY quickly compared to nitric. ?--Rob > > -----Original Message----- > From: meteorite-list-bounces at meteoritecentral.com > [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of Shawn > Alan > Sent: Thursday, June 16, 2011 6:27 PM > To: Michael Mulgrew > Cc: meteorite-list at meteoritecentral.com > Subject: Re: [meteorite-list] Iron slice etching questions > > Michael M and Listers > > As for the Radio Etchant solution do you apply it in the same manner as > you would with nitric acid and once you see the desired etch you stop > the process? As for a lacquer finish if you have that on a slice can you > use acetone to remove it or sand it off? > > Shawn Alan > IMCA 1633 > eBaystore > > ______________________________________________ > Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > Received on Thu 16 Jun 2011 10:28:38 PM PDT |
StumbleUpon del.icio.us Yahoo MyWeb |