I will be working on a slow-release fertilizer for my undergraduate thesis, but I am confused about how other authors measure cumulative nitrogen release for a time interval (including the instruments and calculations)?
More exactly how they measure the exact nitrogen released each time.
Please provide a step-by-step process for a rapid water test.
-Thank you for helping a chemistry student.
Paul Milham
Not something I've done but the idea is to have a stirred cell which contains the fertiliser suspended in water, and continuous/timed sampling connected to an analysis system (e.g., spectrophotometer, conductivity cell ....)
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