Come on Doug, the fault is with a poor quality of acetone, it's NOT acetone itself. If someone keeps acetone on their shelf for 10 years and uses...
I'd like to see the full paper, the little tidbits on the web don't tell us much of anything. However, I did google the first author, he looks to...
No, that was VERDI-GONE, not VERDI-CARE. Nonetheless, it made me laugh because VG would have definately been 100% undetectable using their...
People don't generally leave a container of acetone open and exposed "water vapor". I really wouldn't be concerned unless the container was stored...
Don't discount yourself! I've read your posts, you know a lot about chemistry and I always like your posts! :D
Isopropanol is a poor solvent for dissolving oil too. The ProPar will do a better job since both oil and ProPar are non-polar.
Actually, oil is almost completely insoluble in acetone. Take a clear, glass container, mix equal proportions and see what happens.....you'll get...
The only acceptible substitute for xylene would be toluene. However, it has a MUCH stronger odor and is generally more obnoxious than...
Thanks for using VC! That's exactly what the product was designed for!
The PCGS sniffer might be able to detect the surface conditioner.....assuming they have added VC to their library. A rinse with water or acetone...
splintercellsz - There's gobs of pictures out there, just do a google search. edited If you have any questions, feel free to ask.
It has to be struck thru a fragment. Mike Diamond will have to chime in on this one. You might try dropping him a PM. Nice find!
WOW! Amazing find! Congrats!
Wow....Charmy on Pawn Stars! VERY COOL! I watch it all the time, I can't wait to see you on the show.
Definately PMD
A really dark 12S. :cool:
92 is cleaned. Cleaning is rejected by collectors because it is considered surface damage. Would you want to buy my car if I used an SOS pad on...
65, NGC luster grade 66.
PMD squeeze job.....sad if people actually bought these as "errors". Just another ebay scammer!
Dang, definately an old, harsh cleaning IMO. The hairlines are everywhere and that's a tell-tail sign.
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