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 - elearning.flinn...
ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.
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[@taswibislam524]

This is an excellent short lecture. The eyes are indeed good colourimeters but not the best of course as spectrophotometers can measure in particular wavelength too

[@rufus.a8968]

This changed my perception of colour

[@safecyber7996]

So we cannot depend on our eyes for color consentration ?

[@shobhitb2933]

i would call that liquid copper water

[@shobhitb2933]

@@NerdyNEET love how it looks ;)

[@mcafrique9699]

Respecte le vieux père👴🏾👍🏿