FI66765B - Vaetskesuspension av partiklar av en metall tillhoerande platinagruppen och foerfarande foer framstaellning av en saodan suspension - Google Patents

Vaetskesuspension av partiklar av en metall tillhoerande platinagruppen och foerfarande foer framstaellning av en saodan suspension Download PDF

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Publication number
FI66765B
FI66765B FI821138A FI821138A FI66765B FI 66765 B FI66765 B FI 66765B FI 821138 A FI821138 A FI 821138A FI 821138 A FI821138 A FI 821138A FI 66765 B FI66765 B FI 66765B
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FI
Finland
Prior art keywords
suspension
particles
microemulsion
water
metal particles
Prior art date
Application number
FI821138A
Other languages
English (en)
Finnish (fi)
Other versions
FI66765C (fi
FI821138A0 (fi
FI821138L (fi
Inventor
Per Stenius
Jerzy Kizling
Magali Boutonnet
Original Assignee
Ytkemiska Inst
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Publication date
Application filed by Ytkemiska Inst filed Critical Ytkemiska Inst
Publication of FI821138A0 publication Critical patent/FI821138A0/fi
Publication of FI821138L publication Critical patent/FI821138L/fi
Application granted granted Critical
Publication of FI66765B publication Critical patent/FI66765B/fi
Publication of FI66765C publication Critical patent/FI66765C/fi

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
    • B01J23/628—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with lead
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Catalysts (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Claims (9)

1. Vätskesuspension av partiklar av en metall tillhörande platinagruppen, kännetecknad av att vätskan be-stär av en mikroemulsion innehällande kolväte, nonjonogent ytaktivt medel och vatten.
2. Suspension enligt krav 1, kännetecknad av att metallpartiklarnas storlek är 2-5 nm.
3. Suspension enligt krav 1,kännetecknad av att metallpartiklarna bestär av enskilda kristaller.
4. Suspension enligt krav 1, kännetecknad av att metallpartiklarnas storlek icke avviker mer en 10 % frän medelstorleken.
5. Suspension enligt krav 1,kännetecknad av mikroemulsionen bestär av n-hexan, pentaetylenglykoldodekyl-eter och vatten.
6. Förfarande för framställning av en vätskesuspension av partiklar av en metall tillhörande platinagruppen genom att reducera ett metallsalt i vattenlösning, känneteck-n a t av att metallsaltet löses i en mikroemulsion innehällande kolväte, nonjonogent ytaktivt medel och vatten, och det lösta metallsaltet reduceras tili metalliskt tillständ.
7. Förfarande enligt krav 6,kännetecknat av att metallsaltet reduceras med väte eller hydrazin.
FI821138A 1980-03-24 1982-04-01 Vaetskesuspension av partiklar av en metall tillhoerande platinagruppen och foerfarande foer framstaellning av en saodan suspension FI66765C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8002256 1980-03-24
SE8002256 1980-03-24
PCT/SE1981/000091 WO1981002688A1 (en) 1980-03-24 1981-03-20 A liquid suspension of particles of a metal belonging to the platinum group,and a method for the manufacture of such a suspension
SE8100091 1981-03-20

Publications (4)

Publication Number Publication Date
FI821138A0 FI821138A0 (fi) 1982-04-01
FI821138L FI821138L (fi) 1982-04-01
FI66765B true FI66765B (fi) 1984-08-31
FI66765C FI66765C (fi) 1984-12-10

Family

ID=20340588

Family Applications (1)

Application Number Title Priority Date Filing Date
FI821138A FI66765C (fi) 1980-03-24 1982-04-01 Vaetskesuspension av partiklar av en metall tillhoerande platinagruppen och foerfarande foer framstaellning av en saodan suspension

Country Status (8)

Country Link
US (1) US4425261A (sv)
EP (1) EP0055257B1 (sv)
JP (1) JPH0251666B2 (sv)
DE (1) DE3161354D1 (sv)
DK (1) DK158709C (sv)
FI (1) FI66765C (sv)
NO (1) NO152360C (sv)
WO (1) WO1981002688A1 (sv)

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Also Published As

Publication number Publication date
DK514181A (da) 1981-11-19
FI66765C (fi) 1984-12-10
JPS57500324A (sv) 1982-02-25
DE3161354D1 (en) 1983-12-15
FI821138A0 (fi) 1982-04-01
WO1981002688A1 (en) 1981-10-01
NO152360B (no) 1985-06-10
DK158709C (da) 1990-12-03
NO813957L (no) 1981-11-20
US4425261A (en) 1984-01-10
JPH0251666B2 (sv) 1990-11-08
DK158709B (da) 1990-07-09
EP0055257A1 (en) 1982-07-07
NO152360C (no) 1985-09-18
FI821138L (fi) 1982-04-01
EP0055257B1 (en) 1983-11-09

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