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. 2021 Apr 6;9:624511. doi: 10.3389/fchem.2021.624511

Table 5.

Extraction procedures for dissolved labile mercury.

Eluent fe T (°C) Time Analyser References
10% NaOH 60–75% N/A N/A CV-AAS Minagawa et al., 1980
30% NaOH 60–75% N/A N/A CV-AAS Minagawa et al., 1980
2% thiourea in 0.1 M HCl 54% N/A 24 h CV-AFS Ren et al., 2018
1.3 mM thiourea in 0.1 M HCl 25% N/A 24 h CV-AFS Ren et al., 2018
5% thiourea in 0.5% HCl 100% N/A N/A CV-AAS Minagawa et al., 1980
10% thiourea in 0.1 M HCl 21% N/A 24 h CV-AFS Ren et al., 2018
1 M thiourea <30% N/A N/A ICP-AES Pohl and Prusisz, 2004
2 M thiourea in 0.5 M HCl <30% N/A N/A ICP-AES Pohl and Prusisz, 2004
1 M HNO3 68% 25°C 24 h ICP-MS Reichstädter et al., 2020
2 M HNO3 16% N/A 24 h CV-AFS Ren et al., 2018
2 M HNO3 91% N/A 24 h CV-AFS Colaco et al., 2014
2 M HNO3 16% N/A 24 h CV-AFS Ren et al., 2018
3 M HNO3 8% N/A N/A ICP-AES Sook-Young et al., 2001
1 M HCl 5–20% N/A 24 h CV-AFS Noh et al., 2019
2 M HCl 0.5–5.2% N/A N/A ICP-AES Pohl and Prusisz, 2004
2 M HCl 5–20% N/A 24 h CV-AFS Noh et al., 2019
2 M HCl 17% N/A 24 h CV-AFS Ren et al., 2018
3 M HCl 19% N/A 24 h CV-AFS Ren et al., 2018
5 M HCl + microwave 95% 55°C 15 min LC-CV-AFS Pelcová et al., 2015
6 M HCl 100% N/A 24 h CV-AFS Noh et al., 2019
12 M HCl 54% 110°C 5 h CV-AFS Fernández-Gómez et al., 2011
7:3 HNO3:H2SO4 92% 110°C 5 h CV-AFS Fernández-Gómez et al., 2011
7:3 HNO3:H2SO4 74% N/A 24 h CV-AFS Noh et al., 2016
H2SO4, conc. w/ 30% H2O2 92–101% N/A N/A ICP-AES Pohl and Prusisz, 2004
Aqua regia 96% N/A overnight ICP-MS Bratkic et al., 2019
Aqua regia 97% 110°C 5 h CV-AFS Fernández-Gómez et al., 2011
Aqua regia 88% N/A 24 h CV-AFS Ren et al., 2018
Aqua regia 98% 70°C 24 h ICP-MS Reichstädter et al., 2020
Aqua regia 84% N/A 24 h CV-AFS Noh et al., 2016
10% sodium sulfide 60–75% N/A N/A CV-AAS Minagawa et al., 1980
5% disodium-EDTA 20–30% N/A N/A CV-AAS Minagawa et al., 1980
5% pentasodium-DTPA 20–30% N/A N/A CV-AAS Minagawa et al., 1980
10% BrCl 101% N/A 24 h CV-AFS Amirbahman et al., 2013
0.3 M BrCl 90% N/A 24 h CV-AFS Noh et al., 2016

The extraction efficiency (fe), temperature (T), time of extraction, and the analyzing method are detailed.