Re: [meteorite-list] Nitol Etching Formula

2017-10-11 Thread Mendy Ouzillou via Meteorite-list
[meteorite-list] Nitol Etching Formula I looked but can seem to find this specific info so I hope someone on here can help. I know the basic formula for Nitol etching solution is 90% alcohol and 10% nitric acid. BUT what are the strengths is this formula based on? For instance, you c

[meteorite-list] Nitol Etching Formula

2017-10-11 Thread bobadebt--- via Meteorite-list
I looked but can seem to find this specific info so I hope someone on here can help. I know the basic formula for Nitol etching solution is 90% alcohol and 10% nitric acid. BUT what are the strengths is this formula based on? For instance, you can readily buy 70% and 90% alcohol at any store

Re: [meteorite-list] Nitol

2007-02-22 Thread Gerald Flaherty
or the ol is the read end of alcohol maybe because it's at the end of Nitol Jerry Flaherty - Original Message - From: D To: meteorite-list@meteoritecentral.com Sent: Tuesday, February 20, 2007 10:51 PM Subject: [meteorite-list] Nitol Been reading some posts regarding

Re: [meteorite-list] Nitol

2007-02-22 Thread Frank Prochaska
Actually, the ol is from the last two letters of alcohol, not the first, and I believe comes from the common short hand abbreviation used for alcohol in various scientific and medical disciplines. I've never seen nital used, in college or since, though as long as everyone knows what we're

[meteorite-list] Nitol

2007-02-21 Thread D
Been reading some posts regarding etching I believe the term from the science of metallography is Nital...NOT Nitol. The al is the first part of alcohol, just as the Nit is the first part of Nitric. This incorrect terminology has been perpetuated for some time now. F.

[meteorite-list] nitol / FeCl 3

2003-02-17 Thread Peter Marmet
Hi Desmond and list, Yes, diluted (5% or less) ferric tri-cloride ( Fe Cl 3 ) works well. I used it for many years for some art work (etching cupper plates) and I also used it to etch iron meteorites - it's not a very harmfull acid. In Switzerland you can get it in every drugstore. Peter

[meteorite-list] nitol

2003-02-16 Thread Desmond Lee
hi, all, I got some suspected iron meteorites. I want to try to etch them. Does anyone know other easy methods to etch instead of using nitric acid? I find it difficult to buy nitric acid and quite danger to handle myself. Could anyone tell me other methods? Any existing spying chemicals

Re: [meteorite-list] nitol

2003-02-16 Thread mark ferguson
Hi Desmond and list Some time back it was posted that ferric cloride (a pc board etchant avail at radio shack and electronics suppliers) works well. Mark --- Desmond Lee [EMAIL PROTECTED] wrote: hi, all, I got some suspected iron meteorites. I want to try to etch them. Does anyone know