Moisture profile determination in urea prill. I
2007
Barneto, Agustin García | Carmona, J Ariza
Using Karl Fischer titration, the moisture profile along the radius in urea prill was determined. Having verified that during dissolution in methanol the urea grains diminish in radius linearly with time, it was possible to calculate that the layer with the highest water content is at a depth of one-third of the radius. The moisture profile is linear, with the central moisture content equal to four times the global moisture content of the grain.
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