basically, we are conducting a electrocoagulation experiment and will be using this process to reduce nitrate to a certain level. However, we are struggling on what reagents to use since the nitrate checker from HANNA instruments is not an option since it can only detect from 0 to 75ppm. In the nitrate checker from HANNA instruments, they used malonic acid for their reagent but I'm not sure if its still useable at higher concentrations of 75ppm or do we use Griess reagent?
Greetings!
A very simple option is to dilute your sample to about 50-70 mg/L and use the same method you are used to. Alternatively, you can use the Griess reagents.
Edmar Martendal I would love to dilute it to a lower concentration but we cant since we used 100 in our background study and it was already approved. Also, I have no idea how to prepare or use griess reagent.
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