Open-Source Photometer for Nitrite-Nitrogen Testing
thingiverse
Arduino compatible open-source testing platform capable of performing Nitrite-Nitrogen Diazo Coupling reaction involving Sulfanilamide and N- ( 1-naphthyl ) ethylenediamine dihydrochloride . This allows you test for nitrite in water. see project details from this：[Open-Source Photometer](https://www.icxbk.com/article/detail/2655.html) use code from this：[Open-Source Photometer by xukejing](https://gitee.com/xukejing/open-source-photometer-for-nitrite-nitrogen-and-phosphate-phosphorus-testing)
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