Thingiverse
Photometer for Nitrate Testing by jpearce
by Thingiverse
Last crawled date: 4 years, 7 months ago
Open-source testing platform capable of performing Nitrate Reductase Nitrate-Nitrogen Analysis Method. This allows you test for nitrates in water, soil, etc.
Arduino compatible - read the tests on your Android device.
BOM, electronics and instructions
For technical details see paper: Wittbrodt BT, Squires DA, Walbeck J, Campbell E, Campbell WH, Pearce JM. (2015) Open-Source Photometric System for Enzymatic Nitrate Quantification. PLoS ONE 10(8): e0134989. doi: 10.1371/journal.pone.0134989 open access
Arduino compatible - read the tests on your Android device.
BOM, electronics and instructions
For technical details see paper: Wittbrodt BT, Squires DA, Walbeck J, Campbell E, Campbell WH, Pearce JM. (2015) Open-Source Photometric System for Enzymatic Nitrate Quantification. PLoS ONE 10(8): e0134989. doi: 10.1371/journal.pone.0134989 open access