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Techniques for CollectorsCopper minerals and aqueous ammonia
1st Jul 2011 21:14 UTCHoward Heitner
5th Jul 2011 00:27 UTCWilliam G. Lyon
23rd Sep 2011 13:50 UTCReiner Mielke Expert
Tested a piece of Turquoise from Cornwall, Gunheath Clay pit, no reaction. Will try boleite as soon as I can find my testing material (have to start organize those, my pile is getting too big!). May be a while until I get around to that though, it will make a good winter project. LOL
23rd Sep 2011 17:44 UTCPeter Haas
Why not reading an appropriate inorganic chemistry text book instead of re-inventing the wheel ?
If you can read German, try to get a copy of this book, which contains all the information you're looking for. For each element, reactions with a number of common reagent solutions - including weak and strong acids, ammonia, NaOH, carbonate and sulfide - are listed and explained. Then, a full list of specific reactions that can be used for testing is provided, including information on their selectivities (all possible interferences are listed), advice on preparation of the reagent solutions, etc.:
Jander, G., and Blasius, E.: Lehrbuch der Analytischen und Präparativen Anorganischen Chemie. Hirzel Verlag, Stuttgart.
A second-hand copy of the 1986 or 1983 editions can be obtained for less than 5 Euros:
http://www.amazon.de/gp/offer-listing/3777603791/ref=sr_1_3_olp?s=books&ie=UTF8&qid=1316791681&sr=1-3&condition=used
Unless you just started studying chemistry, there is no need to buy a copy of a more recent edition. Professor Blasius died in 1987, and in the later editions (post-1986), several co-authors have reorganized the content. Those parts that are useful for mineral testing are best represented in the 1983 and 1986 editions though. I bought my own copy in 1984 and I'm stil frequently using it.
23rd Sep 2011 21:22 UTCHoward Heitner
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 23, 2024 21:47:44