Yttrium Nitrate
Brief information of Yttrium Nitrate
Formula: Y(NO3)3.6H2O
CAS No.: 13494-98-9
Molecular Weight: 491.01
Density: 2.682 g/cm3
Melting point: 222℃
Appearance: White crystals, powder, or chunks
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: YttriumNitrat , Nitrate De Yttrium, Nitrato Del Ytrio
Application:
Yttrium Nitrate is applied in ceramics, glass, and electronics. High purity grades are the most important materials for tri-bands Rare Earth phosphors and Yttrium-Iron-Garnets, which are very effective microwave filters. Yttrium Nitrate is a highly water soluble crystalline Yttrium source for uses compatible with nitrates and lower (acidic) pH.Used in industries such as manufacturing ternary catalysts, yttrium tungsten electrodes, ceramic materials, intermediates of yttrium compounds, chemical reagents.Research reagents, As a source of yttrium, it is used to manufacture mesophase surfactants based on yttrium, as an adsorbent or as a precursor for optical functional substances and nano scale coatings of carbon composite materials.
Specification
| Product Code | Yttrium Nitrate | ||||
| Grade | 99.9999% | 99.999% | 99.99% | 99.9% | 99% |
| CHEMICAL COMPOSITION | |||||
| Y2O3/TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 29 | 29 | 29 | 29 | 29 |
| Loss On Ignition (% max.) | 0.5 | 1 | 1 | 1 | 1 |
| Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
| La2O3/TREO CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO |
0.1 0.1 0.5 0.5 0.1 0.1 0.5 0.1 0.5 0.1 0.2 0.1 0.2 0.1 |
1 1 1 1 1 2 1 1 1 2 2 1 1 1 |
30 30 10 20 5 5 5 10 10 20 15 5 20 5 |
0.01 0.01 0.01 0.01 0.005 0.005 0.01 0.001 0.005 0.03 0.03 0.001 0.005 0.001 |
0.03 0.03 0.03 0.03 0.03 0.03 0.1 0.05 0.05 0.3 0.3 0.03 0.03 0.03 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 SiO2 CaO Cl- CuO NiO PbO Na2O K2O MgO Al2O3 TiO2 ThO2 |
1 10 10 50 1 1 1 1 1 1 5 1 1 |
3 50 30 100 2 3 2 15 15 15 50 50 20 |
10 100 100 300 5 5 10 10 15 15 50 50 20 |
0.002 0.03 0.02 0.05 |
0.01 0.05 0.05 0.1 |
Note: Product production and packaging can be carried out according to user specifications.
The production process of yttrium nitrate: under heating, slightly excess yttrium oxide is dissolved in concentrated nitric acid to obtain it. Burn yttrium oxide at 900 ℃ for 3 hours, cool and dissolve it in a 1:1 nitric acid solution. Control the pH of the solution at the end of the reaction to be 3-4. Distill the solution under reduced pressure into a syrup and slowly crystallize at room temperature. Recrystallize twice. When recrystallizing, a small amount of yttrium nitrate needs to be added as a seed to obtain yttrium nitrate hexahydrate crystal.
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