BS EN 12048:1997- Solid fertilizers and liming materials. Determination of moisture content. Gravimetric method by drying at (105 ± 2) °C
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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.