FR2327198A1 - Procede pour l'obtention de dioxyde de chrome cro2 - Google Patents
Procede pour l'obtention de dioxyde de chrome cro2Info
- Publication number
- FR2327198A1 FR2327198A1 FR7531056A FR7531056A FR2327198A1 FR 2327198 A1 FR2327198 A1 FR 2327198A1 FR 7531056 A FR7531056 A FR 7531056A FR 7531056 A FR7531056 A FR 7531056A FR 2327198 A1 FR2327198 A1 FR 2327198A1
- Authority
- FR
- France
- Prior art keywords
- oxidn
- mfd
- chromic oxide
- oxyacid
- halogens
- 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.)
- Granted
Links
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 title abstract 5
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 title abstract 2
- 229940090961 chromium dioxide Drugs 0.000 title 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 title 1
- 229910052736 halogen Inorganic materials 0.000 title 1
- 150000002367 halogens Chemical class 0.000 title 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 4
- 239000007800 oxidant agent Substances 0.000 abstract 3
- 230000001590 oxidative effect Effects 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 229910021556 Chromium(III) chloride Inorganic materials 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 abstract 1
- 239000011636 chromium(III) chloride Substances 0.000 abstract 1
- 235000007831 chromium(III) chloride Nutrition 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 abstract 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-N iodic acid Chemical compound OI(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000013081 microcrystal Substances 0.000 abstract 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910009112 xH2O Inorganic materials 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
-
- 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
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/32—Thermal properties
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7531056A FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
| BE171234A BE846935A (fr) | 1975-10-10 | 1976-10-04 | Procede pour l'obtention de dioxyde de chrome cr02 |
| GB41497/76A GB1516774A (en) | 1975-10-10 | 1976-10-06 | Process for preparing chromium dioxide |
| US05/730,389 US4092439A (en) | 1975-10-10 | 1976-10-07 | Process for obtaining chromium dioxide CrO2 |
| DE2645246A DE2645246C3 (de) | 1975-10-10 | 1976-10-07 | Verfahren zur Herstellung von reinem Chromdioxid |
| IT51658/76A IT1076817B (it) | 1975-10-10 | 1976-10-08 | Procedimento per la produzione di biossido di cormo cro 2 |
| NL7611181A NL7611181A (nl) | 1975-10-10 | 1976-10-08 | Werkwijze voor de bereiding van chroomdioxyde, alsmede de toepassing ervan als ferromagnetisch materiaal. |
| SE7611236A SE7611236L (sv) | 1975-10-10 | 1976-10-08 | Forfarande for framstellning av kromdioxid |
| JP51122211A JPS5260295A (en) | 1975-10-10 | 1976-10-12 | Chromium dioxide and process for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7531056A FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2327198A1 true FR2327198A1 (fr) | 1977-05-06 |
| FR2327198B1 FR2327198B1 (enExample) | 1981-02-20 |
Family
ID=9161048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7531056A Granted FR2327198A1 (fr) | 1975-10-10 | 1975-10-10 | Procede pour l'obtention de dioxyde de chrome cro2 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE846935A (enExample) |
| FR (1) | FR2327198A1 (enExample) |
-
1975
- 1975-10-10 FR FR7531056A patent/FR2327198A1/fr active Granted
-
1976
- 1976-10-04 BE BE171234A patent/BE846935A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE846935A (fr) | 1977-04-04 |
| FR2327198B1 (enExample) | 1981-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |