Solid fertilizers and liming materials - Determination of moisture content - Gravimetric method by drying at (105 +/- 2)°C (ISO 8190:1992 modified)
This International Standard specifies a gravimetric method, by drying at (102 +/ - 2) °C, for the determination of the moisture content of fertilizers and limong materials. The method is applicable to siliceous and carbonic liming materials and the following phosphatic fertilizers: - superphosphates - natural phosphates - ground rock phosphates - partially solubilized rock phosphates. The method is not applicable to hydrated and burnt lime and to ammonium compounds or magnesium sulfates.
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