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Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Analytical / Chromatography

Trade Shows, Conferences & Events

Pittcon 2016: View videos, learn about new products, and see whats new on the Pittcon 2016 Conference and Expo page.

Pittcon 2017: Keep-up with the latest news and information on the upcoming Pittcon 2017 Conference and Expo.

ISCC and GCxGC Symposium 2016: Download Symposium presentations on the ISCC and GCxGC Symposium page.