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Directie van de Staatsmijnen in Limburg
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Directie van de Staatsmijnen in Limburg
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Application filed by Directie van de Staatsmijnen in LimburgfiledCriticalDirectie van de Staatsmijnen in Limburg
Publication of ES174293A1publicationCriticalpatent/ES174293A1/es
Procedimiento para la preparación de un fertilizante de fosfato cálcico a partir de soluciones que contiene ácido fosfórico y calcio durante la neutralización de estas soluciones caracterizado por el hecho de que se añaden a la solución amoniaco y anhídrido sulfuroso y/o sulfitos o bisulfitos.
ES0174293A1945-06-121946-07-13UN PROCEDIMIENTO DE FABRICACIoN D UN COMPUESTO FOSFATADO, SOLUBLE EN CITRATO Y UTILIZABLE COMO INGREDIENTE FERTILIZADOR
ExpiredES174293A1
(es)