PROCEDURE FOR OBTAINING HUMIC ACIDS WITH HIGH METAL ION COMPLEXATION CAPACITY AND PRODUCT OBTAINED USING SAID PROCEDURE
The invention provides a procedure for obtaining humic acids extracted from leonardites which have greater capacity to form complexes with metal ions, said procedure including selective activation, extraction and purification that increases the capacity of the complex-forming functional groups prese...
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| creator | MARTIN PEREZ, Julia Raquel FERRER GINES, María ATARES REAL, Sergio SALAET MADORRAN, Ignasi NARANJO OLIVERO, Miguel Angel ROMERO LOPEZ, Joaquin |
| description | The invention provides a procedure for obtaining humic acids extracted from leonardites which have greater capacity to form complexes with metal ions, said procedure including selective activation, extraction and purification that increases the capacity of the complex-forming functional groups present in humic acids to form complexes with said metal ions. The procedure of the invention essentially includes a first molturation stage in leonardite liquid and two extraction stages based on a basic pH gradient. |
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The procedure of the invention essentially includes a first molturation stage in leonardite liquid and two extraction stages based on a basic pH gradient.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS FERTILISERS FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PROCEDURE FOR OBTAINING HUMIC ACIDS WITH HIGH METAL ION COMPLEXATION CAPACITY AND PRODUCT OBTAINED USING SAID PROCEDURE |
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