Colorimetry

Visual examples illustrate Beer's law, namely that absorbance is proportional to both concentration and path length. Our eyes are good colorimeters! This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - http://elearning.flinnsci.com ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting. Be sure to subscribe and check out more videos! Subscribe: https://www.youtube.com/channel/Flinn... Facebook:   / flinnscientific   Website: https://www.flinnsci.com/