Magnetic nano material solid phase extracting agent as well as preparation method and application thereof

The invention provides a magnetic nano material solid phase extracting agent used for absorbing phthalate organic pollutants in an environmental water sample and a preparation method of the extracting agent. The magnetic nano material solid phase extracting agent comprises magnetic silicon dioxide p...

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Bibliographische Detailangaben
Hauptverfasser:	LIU SHUANGLIU, ZHAO XIAOLI, WU FENGCHANG, TANG ZHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TESTING THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention provides a magnetic nano material solid phase extracting agent used for absorbing phthalate organic pollutants in an environmental water sample and a preparation method of the extracting agent. The magnetic nano material solid phase extracting agent comprises magnetic silicon dioxide particles serving as the inner core and layered bi-metal hydroxide serving as the shell layer, wherein the magnetic silicon dioxide particles are formed by coating a magnetic nano core with silicon dioxide; and the layered bi-metal hydroxide shell layer adopts Mg-Al bi-metal hydroxide. The preparation method for the solid phase extraction absorbent is simple, the raw material cost is low, a designed extraction process is fast and convenient, a small quantity of organic solvent is required to be used in the whole process, and environment friendliness is achieved.