WO2022196197A1 - ニオブ及びタンタルの液化処理方法、ニオブ溶液及びタンタル溶液の製造方法 - Google Patents
ニオブ及びタンタルの液化処理方法、ニオブ溶液及びタンタル溶液の製造方法 Download PDFInfo
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- WO2022196197A1 WO2022196197A1 PCT/JP2022/005190 JP2022005190W WO2022196197A1 WO 2022196197 A1 WO2022196197 A1 WO 2022196197A1 JP 2022005190 W JP2022005190 W JP 2022005190W WO 2022196197 A1 WO2022196197 A1 WO 2022196197A1
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052758 niobium Inorganic materials 0.000 title claims abstract description 91
- 239000010955 niobium Substances 0.000 title claims abstract description 91
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 229910052715 tantalum Inorganic materials 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 51
- 239000000126 substance Substances 0.000 claims abstract description 43
- 239000002244 precipitate Substances 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000002253 acid Substances 0.000 claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 26
- 239000007864 aqueous solution Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 17
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 5
- 150000003863 ammonium salts Chemical class 0.000 claims description 53
- 239000000155 melt Substances 0.000 claims description 43
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 40
- 239000002904 solvent Substances 0.000 claims description 8
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 6
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 6
- 239000012254 powdered material Substances 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 23
- 238000003723 Smelting Methods 0.000 abstract description 22
- 239000012535 impurity Substances 0.000 abstract description 16
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 13
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 9
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 239000010436 fluorite Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000484 niobium oxide Inorganic materials 0.000 description 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 2
- -1 oxides Chemical class 0.000 description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000039 congener Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002821 niobium Chemical class 0.000 description 1
- WPCMRGJTLPITMF-UHFFFAOYSA-I niobium(5+);pentahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[Nb+5] WPCMRGJTLPITMF-UHFFFAOYSA-I 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- ZIRLXLUNCURZTP-UHFFFAOYSA-I tantalum(5+);pentahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[Ta+5] ZIRLXLUNCURZTP-UHFFFAOYSA-I 0.000 description 1
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- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
-
- 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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/06—Sulfating roasting
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- 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
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
製錬原料として略32μm以下に粉砕した粉末状のコロンバイト鉱石0.01gに対して粉末状の硫酸水素アンモニウをム0.05~0.3gを試験管に入れて混合物とした(図2)。
試験管をエバポレーターに装着し、100rpmの速度で回転させながら試験管の底部をガスバーナーで7分間程度加熱した。硫酸水素アンモニウムの融点は略147℃であるため、加熱により試験管内の混合物は速やかに溶融体となった(図3)。溶融体は室温に曝すことで、一定時間で固体物となる。
溶融体が固化した固体物の重量の2倍程度の水溶液(本発明の実施例においてはイオン交換水)を試験管に入れて十分に撹拌した。このとき、固体物に残存する未反応の硫酸水素アンモニウムや不純物は水溶液中に溶解し、白色の微粒子が懸濁した懸濁液が生成された(図4)。
懸濁液を遠心分離により固液分離することで、白色沈殿物を回収した(図5)。
固液分離により得られた白色沈殿物を高濃度の塩酸に入れると容易に溶解して溶解液が生成された。
酸溶解により生成された溶解液中のニオブとタンタルの濃度をICP発光分光分析装置により測定した結果を図6に示す。
Claims (10)
- ニオブ、またはタンタルの少なくとも一元素を含む粉末状物質にアンモニウム塩を混合した溶融体を生成する工程と、
固化した前記溶融体を所定量の溶媒で溶解して懸濁液を生成する工程と、
前記懸濁液を沈殿物と液体物に固液分離する工程と、
前記沈殿物を酸溶液との反応により溶解する工程と、を備える
ニオブ及びタンタルの液化処理方法。 - 前記溶融体を生成する工程は、前記粉末状物質と粉末状の前記アンモニウム塩とを混合した混合物を生成する工程を有する、
請求項1に記載のニオブ及びタンタルの液化処理方法。 - 前記溶融体を生成する工程は、前記粉末状物質と溶融状の前記アンモニウム塩とを混合した混合物を生成する工程を有する、
請求項1に記載のニオブ及びタンタルの液化処理方法。 - 前記溶融体を生成する工程は、前記粉末状物質に対する重量比で略2倍以上の前記アンモニウム塩を混合する
請求項1から請求項3の何れか一項に記載のニオブ及びタンタルの液化処理方法。 - 前記溶融体を生成する工程は、溶融体の温度が略400~500℃となるように所定時間加熱する
請求項1から請求項4の何れか一項に記載のニオブ及びタンタルの液化処理方法。 - 前記懸濁液を生成する工程は、前記溶融体の重量に対して略1倍以上の水溶液を使用する
請求項1から請求項5の何れか一項に記載のニオブ及びタンタルの液化処理方法。 - 前記アンモニウム塩は、硫酸水素アンモニウム、または硫酸アンモニウムから選択される少なくとも1種である
請求項1から請求項6の何れか一項に記載のニオブ及びタンタルの液化処理方法。 - 前記酸溶液は塩酸、硫酸、硝酸、及びフッ化水素酸から選択される少なくとも1種である
請求項1から請求項7の何れか一項に記載のニオブ及びタンタルの液化処理方法。 - 前記懸濁液を沈殿物と液体物に固液分離する工程の後であって、前記沈殿物を酸溶液との反応により溶解する工程の前に、前記沈殿物を所定の温度で加熱して加熱物を得る工程を有し、
前記沈殿物を酸溶液との反応により溶解する工程は、
前記加熱物をフッ化水素酸により溶解する工程を有する
請求項1に記載のニオブ及びタンタルの液化処理方法。 - ニオブ、またはタンタルの少なくとも一元素を含む粉末状物質にアンモニウム塩を混合した溶融体を生成する工程と、
固化した前記溶融体を所定量の溶媒で溶解して懸濁液を生成する工程と、
前記懸濁液を沈殿物と液体物に固液分離する工程と、
前記沈殿物を酸溶液との反応により溶解する工程と、を備える
ニオブ溶液及びタンタル溶液の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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US18/278,826 US20240084417A1 (en) | 2021-03-15 | 2022-02-09 | Method for liquefying niobium and tantalum, and method for producing niobium solution and tantalum solution |
CA3205677A CA3205677C (en) | 2021-03-15 | 2022-02-09 | Method for liquefying niobium and tantalum, and method for producing niobium solution and tantalum solution |
AU2022238127A AU2022238127B2 (en) | 2021-03-15 | 2022-02-09 | Method for liquefying niobium and tantalum, and method for producing niobium solution and tantalum solution |
EP22770956.5A EP4265755A1 (en) | 2021-03-15 | 2022-02-09 | Method for liquefying niobium and tantalum, and method for producing niobium solution and tantalum solution |
CN202280017835.0A CN116940698B (zh) | 2021-03-15 | 2022-02-09 | 铌和钽的液化处理方法、铌溶液和钽溶液的制造方法 |
BR112023015399A BR112023015399A2 (pt) | 2021-03-15 | 2022-02-09 | Método para a liquefação de nióbio e de tântalo e método para a produção de uma solução de nióbio e uma solução de tântalo |
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JP2021041753A JP6910690B1 (ja) | 2021-03-15 | 2021-03-15 | ニオブ、及びタンタルの液化処理方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58176128A (ja) | 1982-04-09 | 1983-10-15 | Agency Of Ind Science & Technol | ニオブおよびタンタルを含む鉱石よりニオブおよびタンタルを回収する方法 |
JPS62185841A (ja) * | 1986-02-10 | 1987-08-14 | Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk | 金属ニオブまたは金属タンタルの製造方法 |
JPS62241824A (ja) * | 1986-04-10 | 1987-10-22 | Sumitomo Chem Co Ltd | タンタルとニオブの分離精製方法 |
JP2002316822A (ja) | 2001-04-19 | 2002-10-31 | Mitsui Mining & Smelting Co Ltd | タンタル/ニオブ含有の炭化物系原料からのタンタル/ニオブの回収方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR8703766A (pt) * | 1987-07-20 | 1989-01-31 | Mamore Mineracao E Metalurgica | Processo para a abertura de minerios |
DE4207145C1 (en) * | 1992-03-06 | 1993-04-29 | H.C. Starck Gmbh & Co Kg, 3380 Goslar, De | Hydro:methallurgical process for recovery of tantalum and niobium - by digesting material e.g. columbite ore with hydrofluoric acid followed by solvent extn. of formed fluoro:complexes |
SE512978C2 (sv) * | 1998-10-26 | 2000-06-12 | G S G As | Bearbetning av niob-och tantalinnehållande material |
JP2001213626A (ja) * | 2000-01-31 | 2001-08-07 | Mitsui Mining & Smelting Co Ltd | 原料の再利用に適した水酸化タンタルおよび/または水酸化ニオブの製造方法 |
JP3641190B2 (ja) * | 2000-05-18 | 2005-04-20 | 三井金属鉱業株式会社 | タンタル/ニオブ含有原料の処理方法 |
JP4202195B2 (ja) * | 2003-06-10 | 2008-12-24 | 三井金属鉱業株式会社 | 水酸化タンタル、水酸化ニオブ、酸化タンタル、酸化ニオブ、およびこれらの製造方法 |
CN1952187A (zh) * | 2006-04-10 | 2007-04-25 | 段立成 | 从废旧硬质合金中提取金属钨和其他稀有金属的方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58176128A (ja) | 1982-04-09 | 1983-10-15 | Agency Of Ind Science & Technol | ニオブおよびタンタルを含む鉱石よりニオブおよびタンタルを回収する方法 |
JPS62185841A (ja) * | 1986-02-10 | 1987-08-14 | Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk | 金属ニオブまたは金属タンタルの製造方法 |
JPS62241824A (ja) * | 1986-04-10 | 1987-10-22 | Sumitomo Chem Co Ltd | タンタルとニオブの分離精製方法 |
JP2002316822A (ja) | 2001-04-19 | 2002-10-31 | Mitsui Mining & Smelting Co Ltd | タンタル/ニオブ含有の炭化物系原料からのタンタル/ニオブの回収方法 |
Non-Patent Citations (1)
Title |
---|
MINORU HASHIBA , EIJI MIURA , YUKIO NUSHI , TAIZO HIBINO: "Decomposition of Aluminum Oxide, Titanium(IV) Oxide and Niobium(V) Oxide by Ammonium Sulfate Melting", BUNSEKI KAGAKU, NIPPON BUNSEKI KAGAKKAI , TOKYO, JP, vol. 29, no. 5, 5 May 1980 (1980-05-05), JP , pages 323 - 326, XP009539837, ISSN: 0525-1931, DOI: 10.2116/bunsekikagaku.29.5_323 * |
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