Re: [meteorite-list] question on performing a nickel test

2008-12-20 Thread Randy Korotev
Mike: I've had the same experience. The problem, I think, is that the DMG test is actually TOO sensitive to nickel. All meteoritic metal is 5% (50,000 ppm) Ni. Metals with only a few hundred ppm Ni will give a positive result with DMG test, however. I think many steels and cast irons may

Re: [meteorite-list] question on performing a nickel test

2008-12-20 Thread al mitterling
To: meteorite-list@meteoritecentral.com Sent: Saturday, December 20, 2008 2:19 PM Subject: Re: [meteorite-list] question on performing a nickel test Mike: I've had the same experience. The problem, I think, is that the DMG test is actually TOO sensitive to nickel. All meteoritic metal is 5% (50,000

[meteorite-list] question on performing a nickel test

2008-12-19 Thread Michael Murray
Hi List, If someone has experience with the Allerderm Nickel test and wouldn't mind sharing their knowledge of how to do it... I am attempting to do a nickel test at home here and I ran into a bit of a snag. I have a piece of iron that most likely is not a piece of meteoritic iron that