FR2414477B1 - Procede de production d'oxyde chromique contamine par moins de 40 parties par million de soufre - Google Patents

Procede de production d'oxyde chromique contamine par moins de 40 parties par million de soufre

Info

Publication number
FR2414477B1
FR2414477B1 FR7901137A FR7901137A FR2414477B1 FR 2414477 B1 FR2414477 B1 FR 2414477B1 FR 7901137 A FR7901137 A FR 7901137A FR 7901137 A FR7901137 A FR 7901137A FR 2414477 B1 FR2414477 B1 FR 2414477B1
Authority
FR
France
Prior art keywords
less
parts per
per million
chromic oxide
million sulfur
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
FR7901137A
Other languages
English (en)
Other versions
FR2414477A1 (fr
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.)
BRITISH CHROME CHEMICALS Ltd
Original Assignee
BRITISH CHROME CHEMICALS Ltd
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 BRITISH CHROME CHEMICALS Ltd filed Critical BRITISH CHROME CHEMICALS Ltd
Publication of FR2414477A1 publication Critical patent/FR2414477A1/fr
Application granted granted Critical
Publication of FR2414477B1 publication Critical patent/FR2414477B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/34—Compounds of chromium
    • C09C1/346—Chromium oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • 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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • 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
    • C01P2006/10—Solid density
    • 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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7901137A 1978-01-17 1979-01-17 Procede de production d'oxyde chromique contamine par moins de 40 parties par million de soufre Expired FR2414477B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB174978 1978-01-17
GB593578 1978-02-15

Publications (2)

Publication Number Publication Date
FR2414477A1 FR2414477A1 (fr) 1979-08-10
FR2414477B1 true FR2414477B1 (fr) 1985-12-20

Family

ID=26236952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901137A Expired FR2414477B1 (fr) 1978-01-17 1979-01-17 Procede de production d'oxyde chromique contamine par moins de 40 parties par million de soufre

Country Status (5)

Country Link
JP (1) JPS54112397A (fr)
DE (1) DE2901736A1 (fr)
FR (1) FR2414477B1 (fr)
IT (1) IT1118297B (fr)
NL (1) NL7900261A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH048006U (fr) * 1990-05-09 1992-01-24
JP2007089908A (ja) * 2005-09-29 2007-04-12 Miura Co Ltd 非常時用滅菌装置
WO2011076573A1 (fr) 2009-12-22 2011-06-30 Lanxess Deutschland Gmbh Procédé de préparation d'oxyde de chrome (iii)
JP6285782B2 (ja) * 2014-04-09 2018-02-28 日本化学工業株式会社 亜クロム酸ナトリウムの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209907A (en) * 1938-06-29 1940-07-30 Mutual Chemical Company Of Ame Manufacture of pigments
GB962193A (en) * 1961-10-23 1964-07-01 Pittsburgh Plate Glass Co Production of chromic oxide
JPS5015240A (fr) * 1973-05-11 1975-02-18
US4040860A (en) * 1975-07-09 1977-08-09 Bayer Aktiengesellschaft Chromium oxide pigment from sodium chromate dihydrate plus ammonium salt
DE2635086C3 (de) * 1976-08-04 1980-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von schwefelarmen Chrom(III)oxid

Also Published As

Publication number Publication date
JPS54112397A (en) 1979-09-03
DE2901736C2 (fr) 1992-09-03
IT7967086A0 (it) 1979-01-16
NL7900261A (nl) 1979-07-19
DE2901736A1 (de) 1979-07-19
FR2414477A1 (fr) 1979-08-10
JPS6250410B2 (fr) 1987-10-24
IT1118297B (it) 1986-02-24

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