Views

CrossRef citations to date

Altmetric

Articles

Europium-binding abilities of dissolved humic substances isolated from deep groundwater in Horonobe area, Hokkaido, Japan

Motoki Terashima Geological Isolation Research and Development Directorate, Japan Atomic Energy Agency, JAEA, 4-33 Muramatsu, Tokai-nura, Naka-gun, Ibaraki, 319-1194, JapanCorrespondence[email protected]

Seiya Nagao Institute of Natural and Environmental Technology, Kanazawa University, Wake, Nomi, Ishikawa, 923-1224, Japan

Teruki Iwatsuki Horonobe Underground Research Center, Japan Atomic Energy Agency, JAEA, 432-2 Hokushin, Horonobe-cho, Teshio-gun, Hokkaido, 098-3224, Japan

Nobuhide Fujitake Graduate School of Agricultural Science, Kobe University, Rokkodai 1, Kobe, 657-8501, Japan

Yoshimi Seida Department of Policy Studies, Toyo University, 5-28-20 Hakusan bunkyou-ku, Tokyo, 112-8606, Japan

Kazuki Iijima Geological Isolation Research and Development Directorate, Japan Atomic Energy Agency, JAEA, 4-33 Muramatsu, Tokai-nura, Naka-gun, Ibaraki, 319-1194, Japan

Hideki Yoshikawa Geological Isolation Research and Development Directorate, Japan Atomic Energy Agency, JAEA, 4-33 Muramatsu, Tokai-nura, Naka-gun, Ibaraki, 319-1194, Japan

show all

Figures & data

Table 1. Elemental compositions of the Horonobe groundwater HSs and those of other HSs from Aldrich and surface environments.

Download CSV Display Table

Table 2. Carboxyl group contents of the Horonobe groundwater HSs and other HSs from Aldrich and surface environments.

Download CSV Display Table

Figure 1. 3D-EEM spectra of Horonobe groundwater FA (a, d), Lake Biwa FA (b, e), and Dando soil FA (c, f) in the absence and presence of Eu(III). Solution conditions: 5.0 mg L⁻¹ FA, pH 5.0 (0.1 M MES buffer), 0.1 M NaNO₃, temperature 25°C.

Figure 2. 3D-EEM spectra of Horonobe groundwater HA (a, d), Aldrich HA (b, e), and Dando soil HA (c, f) in the absence and presence of Eu(III). Solution conditions: 5.0 mg L⁻¹ HA, pH 5.0 (0.1 M MES buffer), 0.1 M NaNO₃, temperature 25°C.

Figure 3. Fluorescence quenching profiles for Horonobe groundwater HSs and HSs from other origins. Solution conditions: 5.0 mg L⁻¹ HS, pH 5.0 (0.1 M MES buffer), 0.1 M NaNO₃, temperature 25°C. Solid lines are the fitting curves of the Equation (15) to the experimental datasets.

Figure 3. Fluorescence quenching profiles for Horonobe groundwater HSs and HSs from other origins. Solution conditions: 5.0 mg L−1 HS, pH 5.0 (0.1 M MES buffer), 0.1 M NaNO3, temperature 25°C. Solid lines are the fitting curves of the Equation (15) to the experimental datasets.

Table 3. Conditional binding constants of Eu³⁺ to the Horonobe groundwater HSs and other HSs from Aldrich and surface environments at pH 5.0 in 0.1 M NaNO₃.

Display Table

Table 4. Aldrich HA-based comparisons of conditional binding constants of groundwater HSs from different aquifers.

Download CSV Display Table

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Order Reprints Request Corporate Permissions

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

Request Academic Permissions

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.

Europium-binding abilities of dissolved humic substances isolated from deep groundwater in Horonobe area, Hokkaido, Japan

Table 1. Elemental compositions of the Horonobe groundwater HSs and those of other HSs from Aldrich and surface environments.

Table 2. Carboxyl group contents of the Horonobe groundwater HSs and other HSs from Aldrich and surface environments.

Table 3. Conditional binding constants of Eu³⁺ to the Horonobe groundwater HSs and other HSs from Aldrich and surface environments at pH 5.0 in 0.1 M NaNO₃.

Table 4. Aldrich HA-based comparisons of conditional binding constants of groundwater HSs from different aquifers.

Related Research Data

Information for

Open access

Opportunities

Help and information

Your download is now in progress and you may close this window

Login or register to access this feature

Europium-binding abilities of dissolved humic substances isolated from deep groundwater in Horonobe area, Hokkaido, Japan

Figures & data

Table 1. Elemental compositions of the Horonobe groundwater HSs and those of other HSs from Aldrich and surface environments.

Table 2. Carboxyl group contents of the Horonobe groundwater HSs and other HSs from Aldrich and surface environments.

Table 3. Conditional binding constants of Eu3+ to the Horonobe groundwater HSs and other HSs from Aldrich and surface environments at pH 5.0 in 0.1 M NaNO3.

Table 4. Aldrich HA-based comparisons of conditional binding constants of groundwater HSs from different aquifers.

Reprints and Corporate Permissions

Academic Permissions

Related Research Data

Related research

To cite this article:

Download citation

Information for

Open access

Opportunities

Help and information

Keep up to date

Table 3. Conditional binding constants of Eu³⁺ to the Horonobe groundwater HSs and other HSs from Aldrich and surface environments at pH 5.0 in 0.1 M NaNO₃.