Lanthanum Fluoride
Brevis notitia
ProductumLanthanum Fluoride
Formulae:LaF3
CAS No.: 13709-38-1
Molecular pondus: 195.90
Densitas: 5.936 g/cm3
Punctum conflativum: 1493 °C
Aspectus: cerussa vel lanula
Solubilitas: Solubilis in acida fortis mineralis
Stabilitas: Facile hygroscopic
Multilingual: LanthanFluorid, Fluorure De Lanthane, Fluoruro Del Lantano.
Applicatio:
Lanthanum Fluoridemaxime applicatur in specialitate vitri, aquae curationis et catalysti, nec non sicut materias praecipuas ad faciendum Metallum Lanthanum.Lanthanum Fluoride (LaF3) est elementum essentiale vitri Fluoride gravi nomine ZBLAN.Hoc vitrum superius transmissio in ultrarubrum eminet et ideo ad systemata communicationis optica adhibenda est.Lanthanum Fluoride adhibetur in phosphoro lampade coatings.Mixta cum Europio Fluoride, applicatur etiam in membrana crystalli Fluoride electrodes ion-selectivae.Lanthanum fluoride adhibetur ad scintillatores praeparandos et materias laser crystalli raras quae a modernis medicalis imaginem technologiam et scientiam nuclearem exhibent.Lanthanum fluoride adhibetur ad fibra vitrea fluoride optica et rara terrae vitri infrarubrum.Lanthanum fluoride adhibetur in fabricandis arcus lampadis carbonis electrodes in fontibus illustrandis.Lanthanum fluoride usus est in analysi chemica ad electrodes selectivam fabricandi fluoride ion.
Specification
| La2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
| TREO (% min.) | 81 | 81 | 81 | 81 |
| Rara Terrae immunditias | ppm max. | ppm max. | % max. | % max. |
| CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO | 5 5 2 2 2 2 5 | 50 50 10 10 10 10 50 | 0.05 0.02 0.02 0.01 0.001 0.002 0.01 | 0.5 0.1 0.1 0.1 0.1 0.1 0.1 |
| Non Rara Terra immunditias | ppm max. | ppm max. | % max. | % max. |
| Fe2O3 SiO2 CaO' CoO NiO CuO MnO2 Cr2O3 CdO PbO | 50 50 100 3 3 3 3 3 5 10 | 100 100 100 5 5 3 5 3 5 50 | 0.02 0.05 0.5 | 0.03 0.1 0.5 |
Synthetica methodo
1. Lanthanum oxydatum solve in acido hydrochlorico methodo chemica et diluto ad 100-150g/L (pro La2O3).Calefacere solutionem 70-80 , et tunc praecipitare cum acido hydrofluorico 48%.Praecipitatio lota, percolata, siccata, contusa, et vacuum dehydratum ob- lanthanum fluoride.
2. Loco LaCl3 solutionem acidum hydrochloricum in patina platini continentem et 40% acidum hydrofluoricum adde.Liquidum superfluum effunde et residuum siccum evaporate.
Testimonium.
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