Mobile Phone Spectrophotometer Experiments

Dr Katharine Hubbard

This protocol allows you to do surprisingly sophisticated at home ‘spectrophotometer’ experiments by turning your mobile phone into a colorimeter. I’m impressed by the quality of the data you can get using these methods, which allow students to do quantitative experiments at home. The protocol is based on this excellent video from Tommy Technetium, but I’ve tweaked the method a bit and suggested some other biological experiments that could be done in this way.

Link to experimental protocols (GoogleDoc)



The protocol relies on you downloading a colour picker app to a smart phone. You need an app that will report numerical RGB values, not just suggest paint colours for you! I use ColorPicker as an iPhone app, Android users are recommended to use ColorGrab.

Mobile phone colorimeter set up

My protocol relies on using 1 cm cuvettes that you would use in a spectrophotometer. I posted these out to…

View original post 396 more words

Author: Sridhar Gutam

Plant Physiologist and Open Access evangelist

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: