Menetelmä harvinaisten maametallien sulfidien valmistamiseksi lähtien halogenideista

A rare earth sulphide is prepd. by reacting a rare earth halide and an alkali or Al halide, in the presence of H2S, at a temp. high enough to volatilise the halides.

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Bibliographic Details
Main Authors PESCHER, YVETTE, MACAUDIERE, PIERRE
Format Patent
LanguageFinnish
Swedish
Published 21.03.1996
Edition6
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
DYES
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:A rare earth sulphide is prepd. by reacting a rare earth halide and an alkali or Al halide, in the presence of H2S, at a temp. high enough to volatilise the halides.
Bibliography:Application Number: FI19960001307