Common pitfalls in chemical actinometry
Common pitfalls in chemical actinometry
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DOI：
10.1007/s41981-019-00072-7
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发表时间：
2020-02
影响因子：
2.7
通讯作者：
B. Wriedt;D. Ziegenbalg
中科院分区：
文献类型：
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作者：
B. Wriedt;D. Ziegenbalg
结合微流化学和光反应技术已被证明是一个可行的选择，以加强和显着提高光化学过程的控制和效率。化学光辐射测量法允许测量特定反应堆中实际入射的光子通量，但执行起来并不简单。特别是在流动条件下。不仅在实验和分析过程中，而且在最终接收入射光子通量之前的后续计算中，可能会出现许多错误。然而，了解这个度量对于确定光化学反应器设置的效率是至关重要的。因此，这项工作说明，评论和解释各种可能的陷阱化学光化。为了避免结果掺假，提出了一个标准的测量和计算程序。
Combining microflow chemistry and photoreaction technology has shown to be a viable option to intensify and significantly improve photochemical processes in terms of control and efficiency. Chemical actinometry allows to measure the actually incident photon flux in a specific reactor, but is not trivial to perform. Especially under flow conditions. Numerous errors can occur, not only in the experimental and analytical procedure, but also in the subsequent calculations before finally receiving the incident photon flux. Nevertheless, knowledge of this metric is of fundamental importance to determine the efficiency of photochemical reactor setups. Consequently, this work illustrates, comments and explains various possible pitfalls of chemical actinometry. To avoid adulterated results, a standard measurement and calculation procedure is proposed.