JP4660764B2 - 石炭中のフッ素の定量方法 - Google Patents
石炭中のフッ素の定量方法 Download PDFInfo
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- JP4660764B2 JP4660764B2 JP2005295476A JP2005295476A JP4660764B2 JP 4660764 B2 JP4660764 B2 JP 4660764B2 JP 2005295476 A JP2005295476 A JP 2005295476A JP 2005295476 A JP2005295476 A JP 2005295476A JP 4660764 B2 JP4660764 B2 JP 4660764B2
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- coal
- fluorine
- catalyst
- sample
- analysis
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Description
2:試料
3:導火部
4:共栓部
5:白金バスケット
6:三角フラスコ
7:吸収剤
Claims (4)
- 石炭及び触媒を含む試料を酸素フラスコ燃焼法により燃焼させることにより、前記石炭中から発生したフッ素が溶解した溶液を得る工程と、
前記溶液中のフッ素濃度を測定する工程と、
を有し、
前記触媒は、少なくともWO3又はMoO3を含有することを特徴とする石炭中のフッ素の定量方法。 - 前記触媒は、更にSnを含有することを特徴とする請求項1に記載の石炭中のフッ素の定量方法。
- 前記フッ素濃度を測定する工程において、フッ素イオン選択性電極を用いることを特徴とする請求項1又は2に記載の石炭中のフッ素の定量方法。
- 前記溶液を得る工程において、前記試料を3回以上燃焼させることを特徴とする請求項1乃至3のいずれか1項に記載の石炭中のフッ素の定量方法。
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JP2005295476A JP4660764B2 (ja) | 2005-10-07 | 2005-10-07 | 石炭中のフッ素の定量方法 |
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JP2005295476A JP4660764B2 (ja) | 2005-10-07 | 2005-10-07 | 石炭中のフッ素の定量方法 |
Publications (2)
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JP2007101504A JP2007101504A (ja) | 2007-04-19 |
JP4660764B2 true JP4660764B2 (ja) | 2011-03-30 |
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JP2005295476A Active JP4660764B2 (ja) | 2005-10-07 | 2005-10-07 | 石炭中のフッ素の定量方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101048558B1 (ko) * | 2009-11-23 | 2011-07-11 | (주)아모레퍼시픽 | 불소증류장치 및 이를 이용한 치약 내 일불소인산나트륨 정량방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531973A (en) * | 1978-08-30 | 1980-03-06 | Hitachi Metals Ltd | Thermal separation method for fluorine in organic substance |
JPS5637552A (en) * | 1979-09-03 | 1981-04-11 | Mitsubishi Heavy Ind Ltd | Analyzing method for chlorine and fluorine |
JPS58122458A (ja) * | 1982-01-18 | 1983-07-21 | Katsuo Mitsubori | 燃焼分析用助燃剤 |
JPH0292802A (ja) * | 1988-09-29 | 1990-04-03 | Ngk Insulators Ltd | 無機物中のふっ素及び/又は塩素の抽出方法 |
JPH042962A (ja) * | 1990-04-20 | 1992-01-07 | Electric Power Dev Co Ltd | 可燃物中のフッ素分析方法 |
JPH0720114A (ja) * | 1993-06-30 | 1995-01-24 | Sony Corp | 分析用燃焼フラスコ |
WO2004055554A1 (ja) * | 2002-12-13 | 2004-07-01 | Daikin Industries, Ltd. | 含フッ素光学材料および含フッ素共重合体 |
-
2005
- 2005-10-07 JP JP2005295476A patent/JP4660764B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531973A (en) * | 1978-08-30 | 1980-03-06 | Hitachi Metals Ltd | Thermal separation method for fluorine in organic substance |
JPS5637552A (en) * | 1979-09-03 | 1981-04-11 | Mitsubishi Heavy Ind Ltd | Analyzing method for chlorine and fluorine |
JPS58122458A (ja) * | 1982-01-18 | 1983-07-21 | Katsuo Mitsubori | 燃焼分析用助燃剤 |
JPH0292802A (ja) * | 1988-09-29 | 1990-04-03 | Ngk Insulators Ltd | 無機物中のふっ素及び/又は塩素の抽出方法 |
JPH042962A (ja) * | 1990-04-20 | 1992-01-07 | Electric Power Dev Co Ltd | 可燃物中のフッ素分析方法 |
JPH0720114A (ja) * | 1993-06-30 | 1995-01-24 | Sony Corp | 分析用燃焼フラスコ |
WO2004055554A1 (ja) * | 2002-12-13 | 2004-07-01 | Daikin Industries, Ltd. | 含フッ素光学材料および含フッ素共重合体 |
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JP2007101504A (ja) | 2007-04-19 |
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