开发一种绿色金属色指示器,用于选择性和视觉检测铜 (II) 离子
Mehran Minabi-Nezhad1, Farid Moeinpour2, Fatemeh S Mohseni-Shahri1
1Department of Chemistry, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, 7915893144, Iran.
Scientific reports
|August 2, 2023
概括
这项研究介绍了一种新的,环保的传感器,使用博果提取物和细菌纤维素纳米纤维来检测有害的铜 (II) 离子. 该传感器提供了一种简单的视觉方法,用于识别液体和固体形式的铜.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 分析化学 分析化学
背景情况:
- 重金属离子,如铜II (CuII),对环境和人类健康构成重大风险.
- 检测重金属的传统方法可能是复杂和昂贵的.
- 需要可访问,敏感和选择性的检测方法.
研究的目的:
- 开发一种环保且高效的传感器,用于检测铜II离子.
- 为了利用在细菌纤维素纳米纤维 (BCNF) 中结合的mambolao水果 (Syzgium cumini) 的安托素提取物,用于传感应用.
- 建立一种可视检测方法,以在液态和固态两种状态下检测Cu.
主要方法:
- 从万博拉果中提取的安东素提取物被纳入细菌纤维素纳米纤维 (BCNF).
- 使用ATR-FTIR和FESEM对修改后的BCNF进行表征.
- 使用CIE实验室颜色参数对Cu(II) 结合的色度分析.
- 对各种金属离子 (Pb2+,Co2+,Cd2+,Ni2+,Al3+,Ba2+,Mn2+,Zn2+,Hg2+,Na+) 进行选择性测试.
主要成果:
- 开发的传感器在与Cu (II) 离子结合时表现出明显的颜色变化,与离子度相关.
- 传感器对Cu (II) 与其他测试的金属离子具有很好的选择性.
- 精确的检测极限得到了实现:液体样本为10-400ppm,固体样本为50-500ppm.
- 肉眼的视觉检测是可行的.
结论:
- 基于素的BCNF传感器是Cu (II) 检测的有希望的绿色金属色材料.
- 该传感器提供了一种简单,经济高效,便携和用户友好的解决方案,用于实时,现场的Cu (II) 监控.
- 这种方法为重金属离子传感提供了一个环保的替代方案.
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