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The light source was specifically chosen for chromic ion determination; it can be altered to measure other ions (aquarist: think nitrates, ammonia and pH). We're working on other designs and useful applications and invite you to join us and share your designs.
The light source was specifically chosen for chromic ion determination; it can be altered to measure other ions (aquarist: think nitrates, ammonia and pH). We're working on other designs and useful applications and invite you to join us and share your designs.


Colorimeters are exceptionally handy items used for determining the concentration of dissolved species typically in aqueous solutions. The principles of operation are simple and form the backbone of several other analytic methods. R
Colorimeters are exceptionally handy items used for determining the concentration of dissolved species typically in aqueous solutions. The principles of operation are simple and form the backbone of several other analytic methods.


Design files: http://www.thingiverse.com/thing:45443
Design files: http://www.thingiverse.com/thing:45443


[[category:MOST]]
[[category:MOST]]

Revision as of 16:08, 30 January 2013

This project details an open-source colorimeter.

The STLs will build a case for a colorimeter and the electronics BOM will yield a device designed for performing high range Chemical Oxygen Demand (COD) determination, measuring absorbance at 606 nm, an absorbance peak for the chromic ion. The cuvette holder is designed for Hach COD digestion vials.

The light source was specifically chosen for chromic ion determination; it can be altered to measure other ions (aquarist: think nitrates, ammonia and pH). We're working on other designs and useful applications and invite you to join us and share your designs.

Colorimeters are exceptionally handy items used for determining the concentration of dissolved species typically in aqueous solutions. The principles of operation are simple and form the backbone of several other analytic methods.

Design files: http://www.thingiverse.com/thing:45443

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