Graphene oxide/prussian blue nanoparticle composite material solid-phase micro-extraction probe as well as preparation method and application thereof
A technology of Prussian blue and nanoparticles, which is applied in the field of graphene oxide/Prussian blue nanoparticle composite solid-phase microextraction probes and its preparation, can solve the problem of restricting the development and application of solid-phase microextraction technology, and it is difficult to meet the separation and analysis requirements , limited application range of extraction and other issues, to achieve the effect of simple and fast preparation steps, wide application range and controllable thickness
Active Publication Date: 2018-02-06
SUN YAT SEN UNIV
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The invention relates to a graphene oxide/prussian blue nanoparticle composite material solid-phase micro-extraction probe as well as a preparation method and application thereof. A preparation methodof a graphene oxide/prussian blue nanoparticle composite material comprises the following steps: S1: ultrasonically dispersing graphene oxide into water to obtain a graphene oxide dispersion solution; S2: adding potassium ferricyanide and a hydrochloric acid solution into the graphene oxide dispersion solution under a stirring state to obtain a reaction mixed solution; S3: putting the reaction mixed solution into a container, putting the container into a drying oven and reacting; after reacting, centrifuging and collecting a product and drying to obtain the graphene oxide/prussian blue nanoparticle composite material. The graphene oxide/prussian blue nanoparticle composite material provided by the invention is used as an adsorbent of a solid-phase micro-extraction coating; the material has the advantages of good thermal stability, good chemical stability, more surface functional groups and the like; the prepared solid-phase micro-extraction coating has good thermal resistance, high concentration factor and wide applicable range.
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Property | Measurement | Unit |
Length | 1.0 ~ 2.0 | cm |
Thickness | 5.0 ~ 50.0 | µm |
Thickness | 16.5 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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