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On October 22, 2024, 9:46:04 AM UTC,
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Added resource data figures compilation.xlsx to Comparing CLE-AdCSV applications using SA and TAC to determine the Fe binding characteristics of model ligands in seawater
| f | 1 | { | f | 1 | { |
| 2 | "author": null, | 2 | "author": null, | ||
| 3 | "author_email": null, | 3 | "author_email": null, | ||
| 4 | "code": "7b.b.qb", | 4 | "code": "7b.b.qb", | ||
| 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | 5 | "contributor": "NIOZ Royal Netherlands Institute for Sea Research", | ||
| 6 | "creator_user_id": "f9495ed6-c69a-4db0-a737-b41c60f2a31d", | 6 | "creator_user_id": "f9495ed6-c69a-4db0-a737-b41c60f2a31d", | ||
| 7 | "creators": "[{\"firstname\":\"Loes | 7 | "creators": "[{\"firstname\":\"Loes | ||
| 8 | J.A.\",\"lastname\":\"Gerringa\",\"affiliation\":\"Royal Netherlands | 8 | J.A.\",\"lastname\":\"Gerringa\",\"affiliation\":\"Royal Netherlands | ||
| 9 | Institute for Sea | 9 | Institute for Sea | ||
| 10 | stname\":\"Martha\",\"lastname\":\"Gledhill\",\"affiliation\":\"GEOMAR | 10 | stname\":\"Martha\",\"lastname\":\"Gledhill\",\"affiliation\":\"GEOMAR | ||
| 11 | Helmholtz Centre for Ocean | 11 | Helmholtz Centre for Ocean | ||
| 12 | laddress\":\"\",\"iscorrespondingauthor\":false},{\"firstname\":\"Luis | 12 | laddress\":\"\",\"iscorrespondingauthor\":false},{\"firstname\":\"Luis | ||
| 13 | M.\",\"lastname\":\"Laglera\",\"affiliation\":\"FI-TRACE, Departamento | 13 | M.\",\"lastname\":\"Laglera\",\"affiliation\":\"FI-TRACE, Departamento | ||
| 14 | de Qu??mica and ???Laboratori Interdisciplinari sobre Canvi | 14 | de Qu??mica and ???Laboratori Interdisciplinari sobre Canvi | ||
| 15 | Clima??tic, Universidad de las Islas Baleares | 15 | Clima??tic, Universidad de las Islas Baleares | ||
| 16 | tname\":\"Indah\",\"lastname\":\"Ardiningsih\",\"affiliation\":\"Royal | 16 | tname\":\"Indah\",\"lastname\":\"Ardiningsih\",\"affiliation\":\"Royal | ||
| 17 | Netherlands Institute for Sea | 17 | Netherlands Institute for Sea | ||
| 18 | stname\":\"Niels\",\"lastname\":\"Muntjewerf\",\"affiliation\":\"Royal | 18 | stname\":\"Niels\",\"lastname\":\"Muntjewerf\",\"affiliation\":\"Royal | ||
| 19 | Netherlands Institute for Sea | 19 | Netherlands Institute for Sea | ||
| 20 | :\"\",\"contactemailaddress\":\"\",\"iscorrespondingauthor\":false}]", | 20 | :\"\",\"contactemailaddress\":\"\",\"iscorrespondingauthor\":false}]", | ||
| 21 | "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.qb", | 21 | "dataset_persistent_id": "DOI:10.33591/nioz/7b.b.qb", | ||
| 22 | "deposit_date": "2021-03-10", | 22 | "deposit_date": "2021-03-10", | ||
| 23 | "depositor": "loes gerringa", | 23 | "depositor": "loes gerringa", | ||
| 24 | "distribution_date": "2021-03-10", | 24 | "distribution_date": "2021-03-10", | ||
| 25 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 25 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 26 | Institute for Sea Research)", | 26 | Institute for Sea Research)", | ||
| 27 | "doi_date_published": "2021-08-10", | 27 | "doi_date_published": "2021-08-10", | ||
| 28 | "funding_references": "[{\"name\":\"Indonesia endowment fund for | 28 | "funding_references": "[{\"name\":\"Indonesia endowment fund for | ||
| 29 | education (LPDP, for | 29 | education (LPDP, for | ||
| 30 | IA)\",\"awardnumber\":\"\",\"awardtitle\":\"\"},{\"name\":\"MICINN | 30 | IA)\",\"awardnumber\":\"\",\"awardtitle\":\"\"},{\"name\":\"MICINN | ||
| 31 | (for | 31 | (for | ||
| 32 | ML)\",\"awardnumber\":\"CTM2017-84763-C3-3-R\",\"awardtitle\":\"\"}]", | 32 | ML)\",\"awardnumber\":\"CTM2017-84763-C3-3-R\",\"awardtitle\":\"\"}]", | ||
| 33 | "groups": [], | 33 | "groups": [], | ||
| 34 | "id": "0ab943c9-25ba-4bf1-80d7-20cada0807bd", | 34 | "id": "0ab943c9-25ba-4bf1-80d7-20cada0807bd", | ||
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| 36 | "license_title": null, | 36 | "license_title": null, | ||
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| 39 | "metadata_created": "2024-10-22T09:46:04.292696", | 39 | "metadata_created": "2024-10-22T09:46:04.292696", | ||
| n | 40 | "metadata_modified": "2024-10-22T09:46:04.292704", | n | 40 | "metadata_modified": "2024-10-22T09:46:04.636093", |
| 41 | "name": "7bbqb", | 41 | "name": "7bbqb", | ||
| 42 | "notes": "Competitive ligand exchange\u2013adsorptive cathodic | 42 | "notes": "Competitive ligand exchange\u2013adsorptive cathodic | ||
| 43 | stripping voltammetry (CLE-AdCSV) is used to determine the conditional | 43 | stripping voltammetry (CLE-AdCSV) is used to determine the conditional | ||
| 44 | concentration ([L]) and the conditional binding strength (logK^cond) | 44 | concentration ([L]) and the conditional binding strength (logK^cond) | ||
| 45 | of dissolved organic Fe-binding ligands, which together influence the | 45 | of dissolved organic Fe-binding ligands, which together influence the | ||
| 46 | solubility of Fe in seawater. Electrochemical applications of Fe | 46 | solubility of Fe in seawater. Electrochemical applications of Fe | ||
| 47 | speciation measurements vary predominantly in the choice of the added | 47 | speciation measurements vary predominantly in the choice of the added | ||
| 48 | competing ligand. Although different applications show the same | 48 | competing ligand. Although different applications show the same | ||
| 49 | trends, [L] and logK^cond differ between the applications. In this | 49 | trends, [L] and logK^cond differ between the applications. In this | ||
| 50 | study, binding of two added ligands in three different common | 50 | study, binding of two added ligands in three different common | ||
| 51 | applications to three known types of natural binding ligands are | 51 | applications to three known types of natural binding ligands are | ||
| 52 | compared. The applications are: 1) Salicylaldoxime (SA) at 25\u00b5M | 52 | compared. The applications are: 1) Salicylaldoxime (SA) at 25\u00b5M | ||
| 53 | (SA25) and short waiting time, 2) SA at 5\u00b5M (SA5) and | 53 | (SA25) and short waiting time, 2) SA at 5\u00b5M (SA5) and | ||
| 54 | 3)2-(2-thiazolylazo)-\u03c1-cresol (TAC) at 10 \u00b5M, the latter two | 54 | 3)2-(2-thiazolylazo)-\u03c1-cresol (TAC) at 10 \u00b5M, the latter two | ||
| 55 | with overnight equilibration. The three applications were calibrated | 55 | with overnight equilibration. The three applications were calibrated | ||
| 56 | under the same conditions, although having different pH values, | 56 | under the same conditions, although having different pH values, | ||
| 57 | resulting in the detection window centers (D) DTAC > DSA25 \u2265 SA5 | 57 | resulting in the detection window centers (D) DTAC > DSA25 \u2265 SA5 | ||
| 58 | (as log D values with respect to Fe3+: 12.3>11.2\u2265 11). \nFor the | 58 | (as log D values with respect to Fe3+: 12.3>11.2\u2265 11). \nFor the | ||
| 59 | model ligands, there is no common trend in the results of logK^cond. | 59 | model ligands, there is no common trend in the results of logK^cond. | ||
| 60 | The values have a considerable spread, which indicates that the error | 60 | The values have a considerable spread, which indicates that the error | ||
| 61 | in logK^cond is large. The ligand concentrations of the non humic | 61 | in logK^cond is large. The ligand concentrations of the non humic | ||
| 62 | model ligands are underestimated by TAC and overestimated by SA25 | 62 | model ligands are underestimated by TAC and overestimated by SA25 | ||
| 63 | which we attribute to the lack of equilibrium between Fe-SA species in | 63 | which we attribute to the lack of equilibrium between Fe-SA species in | ||
| 64 | the SA25 application. The application TAC more often underestimated | 64 | the SA25 application. The application TAC more often underestimated | ||
| 65 | the ligand concentrations and Application the application SA5 was best | 65 | the ligand concentrations and Application the application SA5 was best | ||
| 66 | in estimating over and under estimated the ligand concentration | 66 | in estimating over and under estimated the ligand concentration | ||
| 67 | correctly. The trends between these model ligand concentrations were | 67 | correctly. The trends between these model ligand concentrations were | ||
| 68 | similar for all three applications. The estimated ligand | 68 | similar for all three applications. The estimated ligand | ||
| 69 | concentrations for the humic and fulvic acids differed approximately | 69 | concentrations for the humic and fulvic acids differed approximately | ||
| 70 | by a factor 22 fold between TAC and SA5 and another factor of 2 | 70 | by a factor 22 fold between TAC and SA5 and another factor of 2 | ||
| 71 | between SA5 and SA25.\nThe use of SA above 5 \u00b5M suffers from the | 71 | between SA5 and SA25.\nThe use of SA above 5 \u00b5M suffers from the | ||
| 72 | formation of the species Fe(SA)x (x>1) that is not electro-active as | 72 | formation of the species Fe(SA)x (x>1) that is not electro-active as | ||
| 73 | already suggested by Abualhaija and Van den Berg (2014). Moreover, we | 73 | already suggested by Abualhaija and Van den Berg (2014). Moreover, we | ||
| 74 | found that the reaction between the electro-active and | 74 | found that the reaction between the electro-active and | ||
| 75 | non-electro-active species is probably irreversible. This undermines | 75 | non-electro-active species is probably irreversible. This undermines | ||
| 76 | the assumption of the CLE principle, causes overestimation of [L] and | 76 | the assumption of the CLE principle, causes overestimation of [L] and | ||
| 77 | could result in a false distinction into more than one ligand | 77 | could result in a false distinction into more than one ligand | ||
| 78 | group.\nFor future electrochemical work it is recommended to take the | 78 | group.\nFor future electrochemical work it is recommended to take the | ||
| 79 | above limitations of the applications into account. Overall, the | 79 | above limitations of the applications into account. Overall, the | ||
| 80 | uncertainties arising from the CLE-AdCSV approach mean we need to | 80 | uncertainties arising from the CLE-AdCSV approach mean we need to | ||
| 81 | search for new ways to determine the organic complexation of Fe in | 81 | search for new ways to determine the organic complexation of Fe in | ||
| 82 | seawater. \n", | 82 | seawater. \n", | ||
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| 95 | "title": "Royal Netherlands Institute for Sea Research", | 95 | "title": "Royal Netherlands Institute for Sea Research", | ||
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| 104 | "state": "active", | 128 | "state": "active", | ||
| 105 | "subject": "Earth and Environmental Sciences", | 129 | "subject": "Earth and Environmental Sciences", | ||
| 106 | "tags": [ | 130 | "tags": [ | ||
| 107 | { | 131 | { | ||
| 108 | "display_name": "CLE-AdCSV", | 132 | "display_name": "CLE-AdCSV", | ||
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| 148 | } | 172 | } | ||
| 149 | ], | 173 | ], | ||
| 150 | "title": "Comparing CLE-AdCSV applications using SA and TAC to | 174 | "title": "Comparing CLE-AdCSV applications using SA and TAC to | ||
| 151 | determine the Fe binding characteristics of model ligands in | 175 | determine the Fe binding characteristics of model ligands in | ||
| 152 | seawater", | 176 | seawater", | ||
| 153 | "type": "dataset", | 177 | "type": "dataset", | ||
| 154 | "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.qb", | 178 | "url": "https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.qb", | ||
| 155 | "version": "1" | 179 | "version": "1" | ||
| 156 | } | 180 | } |