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27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
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20 Mar-23:34:15 The mizunaka collection - quartz (Am Mizunaka)
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Removing clay? from a copper specimen
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Les Presmyk




Joined: 06 Dec 2007
Posts: 372
Location: Gilbert, AZ

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PostPosted: May 08, 2009 13:09    Post subject: Re: Removing clay? from a copper specimen  

The high pressure sprayer from either John Attard or Rock Currier will work fine for you. Regarding ultrasonic cleaners, two additional bits of information. Yes, you can go with the lower powered unit and just take more time but after a month or two of that, you will kick yourself for not buying the more powerful unit. When dealing with specific chemical solutions you do not need to fill the entire tank with the chemical. Fill the tank mostly full with water. Place the specimen in a second, smaller container, with the acid or other chemical and suspend the second container in the water bath of the ultrasonic. The sound waves will pass through the walls of the container and provide the same cleaning action.
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