User talk:188.247.72.16

March 2013
Hello, I'm FrigidNinja. I wanted to let you know that I undid one or more of your recent contributions to Paper chromatography because it didn't appear constructive. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page.  Frigid Ninja  17:20, 16 March 2013 (UTC)
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