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From YouTube, In this lab, they use different flow visualization techniques to help detect contraband and residues and develop trace particle detection methods... Thanks to Rich Press and NIST for... continue reading
posted by w1ndex
1 year 12 months ago • 212 views • 21:48YT: The National Institute of Standards and Technology, NIST, sells Standard Reference Materials, or SRMs for short. They're analysed, quantified, and certified substances: everything from metals, to elements,... continue reading
posted by Fantomas
7 years 3 months 3 weeks ago • 474 views • 4:13Not yet a member? No problem!
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