JP5354738B2 - 銅イオンの検出用試薬および検出方法 - Google Patents
銅イオンの検出用試薬および検出方法 Download PDFInfo
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- JP5354738B2 JP5354738B2 JP2009210165A JP2009210165A JP5354738B2 JP 5354738 B2 JP5354738 B2 JP 5354738B2 JP 2009210165 A JP2009210165 A JP 2009210165A JP 2009210165 A JP2009210165 A JP 2009210165A JP 5354738 B2 JP5354738 B2 JP 5354738B2
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Description
本発明の検出用試薬は、スルホン酸基および/またはカルボキシル基を有する酸性基置換のアニリン系ポリマー(A)を用いた検出用試薬である。
上記ポリマー(A)は、スルホン酸基(−SO3H)および/またはカルボキシ基(−COOH)を有するものであれば特に限定されず、また、上記ポリマー(A)において、スルホン酸基、カルボキシ基は、それぞれ、酸の状態(−SO3H、−COOH)で含まれていてもよく、イオンの状態(−SO3 −、−COO−)で含まれていてもよい。
なお、本明細書において、「水溶性」とは、25℃の水に0.1g程度以上均一に溶解することを意味する。
上記ポリマー(A)は、1分子中に、繰り返し単位(a1)を10以上有することにより、銅イオンとの相互作用が大きくなるため、好ましい。
上記ポリマー(A)の質量平均分子量は、ゲルパーミエーションクロマトグラフィー(GPC)によって測定される質量平均分子量(ポリエチレングリコール換算)である。
本発明の検出方法としては、重金属を含む溶液中に、上記ポリマー(A)を直接加える、基材表面に上記ポリマー(A)を含む膜を形成した素子を形成して、検出に用いる方法があげられる。
ポリ(2−スルホ−5−メトキシ−1,4−イミノフェニレン)(A−1)の合成
2−アミノアニソール−4−スルホン酸100mmolを25℃で4mol/Lのアンモニア水溶液に攪拌溶解し、ペルオキソ二硫酸アンモニウム100mmolの水溶液を滴下した。滴下終了後、25℃で12時間更に攪拌した後に反応生成物を濾別洗浄後乾燥し、重合体粉末15gを得た。この重合体の体積抵抗値は9.0Ω・cmであった。
実施例1、比較例1−18
成分(A)として導電性重合体(A−1)0.1質量部を水1000質量部に溶解させた溶液に、表−1に示す金属0.001質量部を加え、室温で18時間攪拌した後の色調変化を目視および紫外可視吸収スペクトルにて480nmの吸収を測定した。
測定装置:(株)島津製作所製 UV−3100
光路長10mmの石英セルを用いた。
Claims (2)
- スルホン酸基および/またはカルボキシル基を有する酸性基置換のアニリン系ポリマー(A)を用いた銅イオンの検出用試薬。
- スルホン酸基および/またはカルボキシル基を有する酸性基置換のアニリン系ポリマー(A)を用いた銅イオンの検出方法。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009210165A JP5354738B2 (ja) | 2009-09-11 | 2009-09-11 | 銅イオンの検出用試薬および検出方法 |
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| JP2009210165A JP5354738B2 (ja) | 2009-09-11 | 2009-09-11 | 銅イオンの検出用試薬および検出方法 |
Publications (2)
| Publication Number | Publication Date |
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| JP2011058989A JP2011058989A (ja) | 2011-03-24 |
| JP5354738B2 true JP5354738B2 (ja) | 2013-11-27 |
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| JP2009210165A Active JP5354738B2 (ja) | 2009-09-11 | 2009-09-11 | 銅イオンの検出用試薬および検出方法 |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0599929A (ja) * | 1991-10-07 | 1993-04-23 | Fuji Photo Film Co Ltd | 尿中銅イオン検出用乾式分析要素 |
| JP2799432B2 (ja) * | 1996-07-04 | 1998-09-17 | 工業技術院長 | 重金属及び遷移金属測定用試薬 |
| EP1762843A4 (en) * | 2004-06-29 | 2010-08-04 | Kowa Co | METAL INDICATOR |
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