Reduction-coprecipitation preparation method and application of (NH4) 2MnF6
The invention belongs to the technical field of fluorescent materials, and discloses a reduction-coprecipitation preparation method and application of (NH4) 2MnF6. The preparation method comprises the following steps: adding KMnO4 and NH4HF2/NH4F into hydrofluoric acid to obtain a system A; adding a...
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| creator | CHANG WEN-RUEI JI HAIPENG |
| description | The invention belongs to the technical field of fluorescent materials, and discloses a reduction-coprecipitation preparation method and application of (NH4) 2MnF6. The preparation method comprises the following steps: adding KMnO4 and NH4HF2/NH4F into hydrofluoric acid to obtain a system A; adding an H2O2 solution into the system A according to the following mode (i) or (ii) to obtain a system B; the mode (i) is that the H2O2 solution is added once every 3 minutes, and 20-30 L of H2O2 solution is added each time; mode (ii): firstly, 0.2-0.5 mL of H2O2 solution is added once every 1 min, and the total adding amount is 1-1.5 mL; after stirring for 20-30 minutes, adding the H2O2 solution once every 3 minutes, and adding 20-30 L of the H2O2 solution every time; and carrying out solid-liquid separation on the system B, collecting solid-liquid separated precipitates, washing and drying to obtain a target product. A reduction-coprecipitation method is adopted, the requirements for equipment and synthesis conditions |
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The preparation method comprises the following steps: adding KMnO4 and NH4HF2/NH4F into hydrofluoric acid to obtain a system A; adding an H2O2 solution into the system A according to the following mode (i) or (ii) to obtain a system B; the mode (i) is that the H2O2 solution is added once every 3 minutes, and 20-30 L of H2O2 solution is added each time; mode (ii): firstly, 0.2-0.5 mL of H2O2 solution is added once every 1 min, and the total adding amount is 1-1.5 mL; after stirring for 20-30 minutes, adding the H2O2 solution once every 3 minutes, and adding 20-30 L of the H2O2 solution every time; and carrying out solid-liquid separation on the system B, collecting solid-liquid separated precipitates, washing and drying to obtain a target product. 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The preparation method comprises the following steps: adding KMnO4 and NH4HF2/NH4F into hydrofluoric acid to obtain a system A; adding an H2O2 solution into the system A according to the following mode (i) or (ii) to obtain a system B; the mode (i) is that the H2O2 solution is added once every 3 minutes, and 20-30 L of H2O2 solution is added each time; mode (ii): firstly, 0.2-0.5 mL of H2O2 solution is added once every 1 min, and the total adding amount is 1-1.5 mL; after stirring for 20-30 minutes, adding the H2O2 solution once every 3 minutes, and adding 20-30 L of the H2O2 solution every time; and carrying out solid-liquid separation on the system B, collecting solid-liquid separated precipitates, washing and drying to obtain a target product. 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The preparation method comprises the following steps: adding KMnO4 and NH4HF2/NH4F into hydrofluoric acid to obtain a system A; adding an H2O2 solution into the system A according to the following mode (i) or (ii) to obtain a system B; the mode (i) is that the H2O2 solution is added once every 3 minutes, and 20-30 L of H2O2 solution is added each time; mode (ii): firstly, 0.2-0.5 mL of H2O2 solution is added once every 1 min, and the total adding amount is 1-1.5 mL; after stirring for 20-30 minutes, adding the H2O2 solution once every 3 minutes, and adding 20-30 L of the H2O2 solution every time; and carrying out solid-liquid separation on the system B, collecting solid-liquid separated precipitates, washing and drying to obtain a target product. A reduction-coprecipitation method is adopted, the requirements for equipment and synthesis conditions</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DYES INORGANIC CHEMISTRY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES |
| title | Reduction-coprecipitation preparation method and application of (NH4) 2MnF6 |
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