fig1
![Deuterium labelling by electrochemical splitting of heavy water](https://image.oaes.cc/9699c72e-db90-46f1-b24a-04234ef6b08b/4449.fig.1.jpg)
Figure 1. (A) A selection of conventional deuterium sources and their corresponding prices. (B) Comparison between the benchmark H/D exchange and defunctionalization-based deuteration. Modified with permission from ref.[33] (Copyright 2020 Nature Publishing Group). (C) Schematic of electrochemical deuteration by heavy water splitting.