Optimizing the time of incubation of an anion exchange membrane inserted into the soil to use in studies of monitoring soil nitrate levels
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Ann anion exchange membrane (AEM) is a solid organic polymer that has a positive electrostatic charge, which is saturated by the addition of a counter ion, such as bicarbonate (HCO3), before use. In the presence of an anion, such as NO3 HCO3 will be exchanged for a stoichiometrically equivalent amount of that anion.
