DE2109650A1 - Verfahren zur Herstellung von Tellurdioxid mit geringem Eisengehalt - Google Patents
Verfahren zur Herstellung von Tellurdioxid mit geringem EisengehaltInfo
- Publication number
- DE2109650A1 DE2109650A1 DE19712109650 DE2109650A DE2109650A1 DE 2109650 A1 DE2109650 A1 DE 2109650A1 DE 19712109650 DE19712109650 DE 19712109650 DE 2109650 A DE2109650 A DE 2109650A DE 2109650 A1 DE2109650 A1 DE 2109650A1
- Authority
- DE
- Germany
- Prior art keywords
- tellurium
- nitric acid
- tellurium dioxide
- dioxide
- excess
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 30
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 24
- 229910052742 iron Inorganic materials 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 31
- 229910017604 nitric acid Inorganic materials 0.000 claims description 30
- 229910052714 tellurium Inorganic materials 0.000 claims description 26
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000011541 reaction mixture Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910002651 NO3 Inorganic materials 0.000 description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- -1 Tellurium nitrates Chemical class 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
-
- 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)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1556570A | 1970-03-02 | 1970-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2109650A1 true DE2109650A1 (de) | 1971-09-16 |
Family
ID=21772162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712109650 Pending DE2109650A1 (de) | 1970-03-02 | 1971-03-01 | Verfahren zur Herstellung von Tellurdioxid mit geringem Eisengehalt |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3627484A (enExample) |
| JP (1) | JPS5338278B1 (enExample) |
| DE (1) | DE2109650A1 (enExample) |
| FR (1) | FR2083984A5 (enExample) |
| GB (1) | GB1343150A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2272783C1 (ru) * | 2004-07-06 | 2006-03-27 | Федеральное государственное унитарное предприятие "Сибирский химический комбинат" | Способ получения изотопно-обогащенного оксида теллура (iv) |
| RU2301197C1 (ru) * | 2006-07-11 | 2007-06-20 | Институт химии высокочистых веществ Российской академии наук (ИХВВ РАН) | Способ очистки диоксида теллура |
| CN113200525A (zh) * | 2021-05-28 | 2021-08-03 | 金川镍钴研究设计院有限责任公司 | 一种粗碲粉两段浸出脱硒制备二氧化碲的方法 |
-
1970
- 1970-03-02 US US15565A patent/US3627484A/en not_active Expired - Lifetime
-
1971
- 1971-02-26 FR FR7106614A patent/FR2083984A5/fr not_active Expired
- 1971-03-01 JP JP1003771A patent/JPS5338278B1/ja active Pending
- 1971-03-01 DE DE19712109650 patent/DE2109650A1/de active Pending
- 1971-04-19 GB GB2269071A patent/GB1343150A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1343150A (en) | 1974-01-10 |
| JPS5338278B1 (enExample) | 1978-10-14 |
| FR2083984A5 (enExample) | 1971-12-17 |
| US3627484A (en) | 1971-12-14 |
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