JP6684381B1 - 立方晶Ia3d構造のメソポーラスカーボンCMK−8による直接電気化学センサを用いた微量カルバドックスの検出方法 - Google Patents
立方晶Ia3d構造のメソポーラスカーボンCMK−8による直接電気化学センサを用いた微量カルバドックスの検出方法 Download PDFInfo
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- G—PHYSICS
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Abstract
Description
Claims (5)
- 立方晶Ia3d構造のメソポーラスカーボンCMK-8による直接電気化学センサを用いた微量カルバドックスの検出方法であって、 金電極(φ=3mm)を二次脱イオン水ですすぎ、0.05μmのγ−アルミナ研磨粉末で研磨し、再び洗浄してから使用のために乾燥させるという金電極の処理工程Aと、
一定の量の立方晶Ia3d構造のメソポーラスカーボンCMK-8粉末を正確に秤量し、DMFで分散させ、1h超音波処理して、均一に分散する4mg/mLのメソポーラスカーボン分散液を得るという立方晶Ia3d構造のメソポーラスカーボンCMK-8分散液の製造工程Bと、
マイクロサンプルインジェクタを使用して、適量の立方晶Ia3d構造のメソポーラスカーボンCMK-8分散液を取り、それを処理した金電極上に均一に塗布し、それを赤外線下に置いて乾燥させてから、使用するために室温まで乾燥させるという立方晶Ia3d構造のメソポーラスカーボンCMK-8による電極修飾工程Cと、
修飾電極を一定の濃度のNa3PO4緩衝溶液に入れ、安定になるまで示差パルスボルタンメトリーによって走査し、次いで、1000rpmで磁力を利用して撹拌しながら、電位範囲が-0.3V〜0.7V、濃縮時間が10〜35minである定電位濃縮を実施するという電気化学センサの構築工程Dと、
作用電極が立方晶Ia3d構造のメソポーラスカーボンCMK-8修飾電極であり、対極が中空チタン棒であり、参照電極が飽和カロメル電極であるという三電極システムを採用する電気化学試験を容積が25mLである自製の電解槽で行い、試験するたびにNa3PO4緩衝液である電解液を容積20mL充填し、マグネチックスターラーで撹拌し、NaOHを用いてpHを調整し、使用前にその中の溶存酸素が十分に除去されるように高純度窒素ガスを5min導入するというカルバドックスの検出工程Eとを含む、ことを特徴とする立方晶Ia3d構造のメソポーラスカーボンCMK-8による直接電気化学センサを用いた微量カルバドックスの検出方法。 - 前記工程Cにおいて、前記立方晶Ia3d構造のメソポーラスカーボンCMK-8分散液の使用量は4μLである、ことを特徴とする請求項1に記載の方法。
- 前記工程Dにおいて、前記電解槽における前記Na3PO4緩衝溶液はpH=7.0である、ことを特徴とする請求項1に記載の方法。
- 前記工程Dにおいて、前記定電位濃縮の電位は0.3Vである、ことを特徴とする請求項1に記載の方法。
- 前記工程Dにおいて、前記濃縮時間は25minである、ことを特徴とする請求項1に記載の方法
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CN110988071B (zh) * | 2019-12-20 | 2022-06-21 | 肇庆学院 | 一种石墨化羟基多壁碳纳米管@立方Ia3d结构介孔碳电化学传感器在检测噻虫嗪的应用 |
CN113340958A (zh) * | 2021-06-23 | 2021-09-03 | 肇庆学院 | 一种高灵敏度槲皮素电化学传感器的工作电极及其应用 |
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