Comments on: ASPEX Analytical Services Report for Stir Bar | Chemistry-Blog.com http://aspexcorp.com/updates/aspex-analytical-services-report-for-magnetic-bar-stirrer-for-chemistry-blog-com/ Fri, 12 Mar 2010 08:21:44 +0000 http://wordpress.org/?v=2.9 hourly 1 By: Margie Morgan http://aspexcorp.com/updates/aspex-analytical-services-report-for-magnetic-bar-stirrer-for-chemistry-blog-com/comment-page-1/#comment-580 Margie Morgan Fri, 26 Feb 2010 20:15:51 +0000 http://aspexcorp.com/updates/?p=907#comment-580 I think I have read this post somewhere else but nevertheless it is informative. If you ever need to expand your knowledge about Chemistry, let me know. Margie <a href="http://www.10bomb.com/doc/mastering-chemistry/" rel="nofollow">Chemistry Expert</a> 10bomb.com I think I have read this post somewhere else but nevertheless it is informative. If you ever need to expand your knowledge about Chemistry, let me know.

Margie
Chemistry Expert
10bomb.com

]]> By: Chemistry Blog » Blog Archive » Close up Pictures of Stir Bars (with a Wide Angle Lens!) http://aspexcorp.com/updates/aspex-analytical-services-report-for-magnetic-bar-stirrer-for-chemistry-blog-com/comment-page-1/#comment-183 Chemistry Blog » Blog Archive » Close up Pictures of Stir Bars (with a Wide Angle Lens!) Mon, 16 Nov 2009 11:01:47 +0000 http://aspexcorp.com/updates/?p=907#comment-183 [...] The results are in, and they are as cool as expected.  Analyst Ben Abraham captured several images of our very, very old stir bar, with corresponding chemical composition analysis.  The stir bar contains several elements, some expected, some not.  At various sampling points around the stir bar, carbon, oxygen, aluminum, silicon, iron, sodium, magnesium, sulfur, chlorine, calcium, zinc, fluorine, and chromium (!)  were identified.  Clearly, after several good years of wear and tear, the surface of the stir bar becomes irregular and several impurities remain on the stir bar. [...] [...] The results are in, and they are as cool as expected.  Analyst Ben Abraham captured several images of our very, very old stir bar, with corresponding chemical composition analysis.  The stir bar contains several elements, some expected, some not.  At various sampling points around the stir bar, carbon, oxygen, aluminum, silicon, iron, sodium, magnesium, sulfur, chlorine, calcium, zinc, fluorine, and chromium (!)  were identified.  Clearly, after several good years of wear and tear, the surface of the stir bar becomes irregular and several impurities remain on the stir bar. [...]

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