BE511949A - - Google Patents

Info

Publication number
BE511949A
BE511949A BE511949DA BE511949A BE 511949 A BE511949 A BE 511949A BE 511949D A BE511949D A BE 511949DA BE 511949 A BE511949 A BE 511949A
Authority
BE
Belgium
Prior art keywords
sodium
sulphide
sulphate
reduction
reducing gases
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE511949A publication Critical patent/BE511949A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/22—Alkali metal sulfides or polysulfides
    • C01B17/24—Preparation by reduction
    • C01B17/28—Preparation by reduction with reducing gases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE511949D BE511949A (OSRAM)

Publications (1)

Publication Number Publication Date
BE511949A true BE511949A (OSRAM)

Family

ID=150548

Family Applications (1)

Application Number Title Priority Date Filing Date
BE511949D BE511949A (OSRAM)

Country Status (1)

Country Link
BE (1) BE511949A (OSRAM)

Similar Documents

Publication Publication Date Title
CA2239100C (fr) Procede de fabrication d'acides mercaptocarboxyliques a partir d'acides carboxyliques insatures
EP0102299B1 (fr) Procédé pour la dissolution sélective du plomb
BE832682A (fr) Procede de separation du cuivre a partir de solutions et de boues en contenant
FR2558483A1 (fr) Procede pour traiter des residus contenant du nickel et du vanadium
BE573030A (OSRAM)
EP0022041B1 (fr) Procédé de préparation de benzoxazolone
BE402969A (OSRAM)
CH412935A (fr) Procédé de préparation de l'acide hydroxybenzoïque
BE342014A (OSRAM)
FR2760016A1 (fr) Procede de fabrication industrielle de diosmine a partir de l'hesperidine
US901708A (en) Process of making camphor.
FR2577926A1 (fr) Procede de fabrication de la vincamine a partir de la tabersonine
BE361691A (OSRAM)
BE353967A (OSRAM)
CH157332A (fr) Procédé de préparation de chlorures métalliques à partir de minerais sulfurés.
BE369741A (OSRAM)
BE559447A (OSRAM)
BE450419A (OSRAM)
BE476503A (OSRAM)
BE428020A (OSRAM)
BE635230A (OSRAM)
BE362425A (OSRAM)
BE360067A (OSRAM)
BE582746A (OSRAM)
BE562177A (OSRAM)