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. 2021 Mar 16;121(8):4506–4530. doi: 10.1021/acs.chemrev.0c00917

Table 5. Efficiency of copper Removal in scCO2 in the Presence of Oxidizing Agents and Chelating Agents.

Oxidizing agent Chelating agent Cu removal (%) Conditions Reference
EPDC Hhfac 34 40 °C and 214 bar for 20 h (132)
EPDC Htfac 12 40 °C and 214 bar for 20 h (132)
EPDC Htmhd 11 40 °C and 214 bar for 20 h (132)
t-BuPA Hhfac 14 40 °C and 214 bar for 20 h (133)
t-BuPA Htfac 1 40 °C and 214 bar for 20 h (133)
t-BuPA Htmhd 4 40 °C and 214 bar for 20 h (133)
t-BuPA Me4BAE 28 40 °C and 207 bar for 18 h (134)
t-BuPA Me2(CF3)2BAE 22 40 °C and 207 bar for 18 h (134)
t-BuPA (CF3)4BAE 44 40 °C and 207 bar for 18 h (134)
t-BuPA Li(Et2DTC) 24 40 °C and 172 bar for 4 h (134)
t-BuPA Li(Pr2DTC) 27 40 °C and 172 bar for 4 h (134)
t-BuPA Li(Bu2DTC) 28 40 °C and 172 bar for 4 h (134)
t-BuPA Li(CF3CH2)2DTC) 36 40 °C and 172 bar for 4 h (134)
t-BuPA Na(Et2DTC) 20 40 °C and 172 bar for 4 h (134)
t-BuPA Na(Pr2DTC) 20 40 °C and 172 bar for 4 h (134)
t-BuPA Na(Bu2DTC) 23 40 °C and 172 bar for 4 h (134)