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Laboratory study on coprecipitation of phosphate with ikaite in sea ice
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| Zeitschriftentitel: | Journal of Geophysical Research: Oceans |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Journal of Geophysical Research: Oceans, 119, 2014, 10, S. 7007-7015 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot |
|---|---|
| author |
Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot |
| spellingShingle |
Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot Journal of Geophysical Research: Oceans Laboratory study on coprecipitation of phosphate with ikaite in sea ice Earth and Planetary Sciences (miscellaneous) Space and Planetary Science Geochemistry and Petrology Geophysics Oceanography |
| author_sort |
hu, yu‐bin |
| spelling |
Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot 2169-9275 2169-9291 American Geophysical Union (AGU) Earth and Planetary Sciences (miscellaneous) Space and Planetary Science Geochemistry and Petrology Geophysics Oceanography http://dx.doi.org/10.1002/2014jc010079 <jats:title>Abstract</jats:title><jats:p>Ikaite (CaCO<jats:sub>3</jats:sub>·6H<jats:sub>2</jats:sub>O) has recently been discovered in sea ice, providing first direct evidence of CaCO<jats:sub>3</jats:sub> precipitation in sea ice. However, the impact of ikaite precipitation on phosphate (PO<jats:sub>4</jats:sub>) concentration has not been considered so far. Experiments were set up at pH from 8.5 to 10.0, salinities from 0 to 105, temperatures from −4°C to 0°C, and PO<jats:sub>4</jats:sub> concentrations from 5 to 50 µmol kg<jats:sup>−1</jats:sup> in artificial sea ice brine so as to understand how ikaite precipitation affects the PO<jats:sub>4</jats:sub> concentration in sea ice under different conditions. Our results show that PO<jats:sub>4</jats:sub> is coprecipitated with ikaite under all experimental conditions. The amount of PO<jats:sub>4</jats:sub> removed by ikaite precipitation increases with increasing pH. Changes in salinity (S ≥ 35) as well as temperature have little impact on PO<jats:sub>4</jats:sub> removal by ikaite precipitation. The initial PO<jats:sub>4</jats:sub> concentration affects the PO<jats:sub>4</jats:sub> coprecipitation. These findings may shed some light on the observed variability of PO<jats:sub>4</jats:sub> concentration in sea ice.</jats:p> Laboratory study on coprecipitation of phosphate with ikaite in sea ice Journal of Geophysical Research: Oceans |
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| title |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_unstemmed |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_full |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_fullStr |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_full_unstemmed |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_short |
Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_sort |
laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| topic |
Earth and Planetary Sciences (miscellaneous) Space and Planetary Science Geochemistry and Petrology Geophysics Oceanography |
| url |
http://dx.doi.org/10.1002/2014jc010079 |
| publishDate |
2014 |
| physical |
7007-7015 |
| description |
<jats:title>Abstract</jats:title><jats:p>Ikaite (CaCO<jats:sub>3</jats:sub>·6H<jats:sub>2</jats:sub>O) has recently been discovered in sea ice, providing first direct evidence of CaCO<jats:sub>3</jats:sub> precipitation in sea ice. However, the impact of ikaite precipitation on phosphate (PO<jats:sub>4</jats:sub>) concentration has not been considered so far. Experiments were set up at pH from 8.5 to 10.0, salinities from 0 to 105, temperatures from −4°C to 0°C, and PO<jats:sub>4</jats:sub> concentrations from 5 to 50 µmol kg<jats:sup>−1</jats:sup> in artificial sea ice brine so as to understand how ikaite precipitation affects the PO<jats:sub>4</jats:sub> concentration in sea ice under different conditions. Our results show that PO<jats:sub>4</jats:sub> is coprecipitated with ikaite under all experimental conditions. The amount of PO<jats:sub>4</jats:sub> removed by ikaite precipitation increases with increasing pH. Changes in salinity (S ≥ 35) as well as temperature have little impact on PO<jats:sub>4</jats:sub> removal by ikaite precipitation. The initial PO<jats:sub>4</jats:sub> concentration affects the PO<jats:sub>4</jats:sub> coprecipitation. These findings may shed some light on the observed variability of PO<jats:sub>4</jats:sub> concentration in sea ice.</jats:p> |
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| author | Hu, Yu‐Bin, Dieckmann, Gerhard S., Wolf‐Gladrow, Dieter A., Nehrke, Gernot |
| author_facet | Hu, Yu‐Bin, Dieckmann, Gerhard S., Wolf‐Gladrow, Dieter A., Nehrke, Gernot, Hu, Yu‐Bin, Dieckmann, Gerhard S., Wolf‐Gladrow, Dieter A., Nehrke, Gernot |
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| description | <jats:title>Abstract</jats:title><jats:p>Ikaite (CaCO<jats:sub>3</jats:sub>·6H<jats:sub>2</jats:sub>O) has recently been discovered in sea ice, providing first direct evidence of CaCO<jats:sub>3</jats:sub> precipitation in sea ice. However, the impact of ikaite precipitation on phosphate (PO<jats:sub>4</jats:sub>) concentration has not been considered so far. Experiments were set up at pH from 8.5 to 10.0, salinities from 0 to 105, temperatures from −4°C to 0°C, and PO<jats:sub>4</jats:sub> concentrations from 5 to 50 µmol kg<jats:sup>−1</jats:sup> in artificial sea ice brine so as to understand how ikaite precipitation affects the PO<jats:sub>4</jats:sub> concentration in sea ice under different conditions. Our results show that PO<jats:sub>4</jats:sub> is coprecipitated with ikaite under all experimental conditions. The amount of PO<jats:sub>4</jats:sub> removed by ikaite precipitation increases with increasing pH. Changes in salinity (S ≥ 35) as well as temperature have little impact on PO<jats:sub>4</jats:sub> removal by ikaite precipitation. The initial PO<jats:sub>4</jats:sub> concentration affects the PO<jats:sub>4</jats:sub> coprecipitation. These findings may shed some light on the observed variability of PO<jats:sub>4</jats:sub> concentration in sea ice.</jats:p> |
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| institution | DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Rs1, DE-Pl11, DE-105, DE-14, DE-Ch1, DE-L229 |
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| spelling | Hu, Yu‐Bin Dieckmann, Gerhard S. Wolf‐Gladrow, Dieter A. Nehrke, Gernot 2169-9275 2169-9291 American Geophysical Union (AGU) Earth and Planetary Sciences (miscellaneous) Space and Planetary Science Geochemistry and Petrology Geophysics Oceanography http://dx.doi.org/10.1002/2014jc010079 <jats:title>Abstract</jats:title><jats:p>Ikaite (CaCO<jats:sub>3</jats:sub>·6H<jats:sub>2</jats:sub>O) has recently been discovered in sea ice, providing first direct evidence of CaCO<jats:sub>3</jats:sub> precipitation in sea ice. However, the impact of ikaite precipitation on phosphate (PO<jats:sub>4</jats:sub>) concentration has not been considered so far. Experiments were set up at pH from 8.5 to 10.0, salinities from 0 to 105, temperatures from −4°C to 0°C, and PO<jats:sub>4</jats:sub> concentrations from 5 to 50 µmol kg<jats:sup>−1</jats:sup> in artificial sea ice brine so as to understand how ikaite precipitation affects the PO<jats:sub>4</jats:sub> concentration in sea ice under different conditions. Our results show that PO<jats:sub>4</jats:sub> is coprecipitated with ikaite under all experimental conditions. The amount of PO<jats:sub>4</jats:sub> removed by ikaite precipitation increases with increasing pH. Changes in salinity (S ≥ 35) as well as temperature have little impact on PO<jats:sub>4</jats:sub> removal by ikaite precipitation. The initial PO<jats:sub>4</jats:sub> concentration affects the PO<jats:sub>4</jats:sub> coprecipitation. These findings may shed some light on the observed variability of PO<jats:sub>4</jats:sub> concentration in sea ice.</jats:p> Laboratory study on coprecipitation of phosphate with ikaite in sea ice Journal of Geophysical Research: Oceans |
| spellingShingle | Hu, Yu‐Bin, Dieckmann, Gerhard S., Wolf‐Gladrow, Dieter A., Nehrke, Gernot, Journal of Geophysical Research: Oceans, Laboratory study on coprecipitation of phosphate with ikaite in sea ice, Earth and Planetary Sciences (miscellaneous), Space and Planetary Science, Geochemistry and Petrology, Geophysics, Oceanography |
| title | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_full | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_fullStr | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_full_unstemmed | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_short | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_sort | laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| title_unstemmed | Laboratory study on coprecipitation of phosphate with ikaite in sea ice |
| topic | Earth and Planetary Sciences (miscellaneous), Space and Planetary Science, Geochemistry and Petrology, Geophysics, Oceanography |
| url | http://dx.doi.org/10.1002/2014jc010079 |