ES8505890A1 - Procedimiento para preparar seleniato de metales alcalinos - Google Patents

Procedimiento para preparar seleniato de metales alcalinos

Info

Publication number
ES8505890A1
ES8505890A1 ES536704A ES536704A ES8505890A1 ES 8505890 A1 ES8505890 A1 ES 8505890A1 ES 536704 A ES536704 A ES 536704A ES 536704 A ES536704 A ES 536704A ES 8505890 A1 ES8505890 A1 ES 8505890A1
Authority
ES
Spain
Prior art keywords
selenate
alkali metal
hydrogen peroxide
alkalimetal
preparing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES536704A
Other languages
English (en)
Other versions
ES536704A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Publication of ES536704A0 publication Critical patent/ES536704A0/es
Publication of ES8505890A1 publication Critical patent/ES8505890A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00—Selenium; Tellurium; Compounds thereof
    • C01B19/008—Salts of oxyacids of selenium or tellurium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glass Compositions (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

PROCEDIMIENTO PARA PREPARAR UN SELENIATO DE METAL ALCALINO.UN PROCEDIMIENTO PARA PREPARAR UN SELENIATO DE METAL ALCALINO POR OXIDACION DE POLVO DE SELENIO CON PEROXIDO DE HIDROGENO Y NEUTRALIZACION DEL ACIDO SELENICO FORMADO CON UN HIDROXIDO O CARBONATO DE METAL ALCALINO, PREVE LLEVAR A REACCION EL POLVO DE SELENIO EN UNA 1.A ETAPA SOBRE LA SUPERFICIE DE UNA CARGA PREVIA DE PEROXIDO DE HIDROGENO CALENTADO, NEUTRALIZAR PARCIALMENTE LA SOLUCION ACIDA RESULTANTE, Y HACER REACCIONAR ADICIONALMENTE A CONTINUACION, EN UNA 2.A ETAPA, LAS CANTIDADES RESTANTES DE SELENITO, CON PEROXIDO DE HIDROGENO, PARA DAR SELENIATO.
ES536704A 1983-10-27 1984-10-11 Procedimiento para preparar seleniato de metales alcalinos Expired ES8505890A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3338893A DE3338893C1 (de) 1983-10-27 1983-10-27 Verfahren zur Herstellung von Alkalimetallselenat

Publications (2)

Publication Number Publication Date
ES536704A0 ES536704A0 (es) 1985-06-16
ES8505890A1 true ES8505890A1 (es) 1985-06-16

Family

ID=6212796

Family Applications (1)

Application Number Title Priority Date Filing Date
ES536704A Expired ES8505890A1 (es) 1983-10-27 1984-10-11 Procedimiento para preparar seleniato de metales alcalinos

Country Status (11)

Country Link
US (1) US4536383A (es)
EP (1) EP0145870B1 (es)
JP (1) JPS60176908A (es)
AU (1) AU565902B2 (es)
BR (1) BR8405397A (es)
CA (1) CA1208882A (es)
DE (1) DE3338893C1 (es)
ES (1) ES8505890A1 (es)
FI (1) FI72951C (es)
NZ (1) NZ210007A (es)
ZA (1) ZA848129B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1653198B (zh) * 2002-03-15 2010-05-26 三菱麻铁里亚尔株式会社 铂族元素的分离方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583799A (en) * 1949-05-24 1952-01-29 Canadian Copper Refiners Ltd Electrolytic process of preparing selenic acid from selenious acid
GB808637A (en) * 1955-08-09 1959-02-11 Diamond Alkali Co Improvements in or relating to the recovery of selenium
FR1509084A (fr) * 1966-11-29 1968-01-12 Electro Chimie Soc D Procédé de récupération de sélénium iv utilisé comme catalyseur d'oxydation en solution
SE440221B (sv) * 1982-12-22 1985-07-22 Boliden Ab Forfarande for framstellning av metallselenat fran metallisk selen via selensyrlighet

Also Published As

Publication number Publication date
FI843536L (fi) 1985-04-28
CA1208882A (en) 1986-08-05
NZ210007A (en) 1987-05-29
EP0145870A1 (de) 1985-06-26
AU3358384A (en) 1985-05-02
DE3338893C1 (de) 1985-06-20
FI843536A0 (fi) 1984-09-10
EP0145870B1 (de) 1986-12-17
JPS60176908A (ja) 1985-09-11
BR8405397A (pt) 1985-09-03
FI72951B (fi) 1987-04-30
ES536704A0 (es) 1985-06-16
AU565902B2 (en) 1987-10-01
FI72951C (fi) 1987-08-10
ZA848129B (en) 1985-07-31
US4536383A (en) 1985-08-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203