Oxidation effect on the analysis of iron in the interstitial water of recent anoxic sediments
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Abstract
Recent studies on the changes in composition of interstitial water during its separation from sediments1-3 prompted us to evaluate the effect of squeezing on the concentration of ferrous iron within the interstitial water. Sediment samples were taken in northern Chesapeake Bay (38°56′ N and 76°25′ W) with a Benthos gravity corer. Layers of sediment were immediately extruded from the plastic coring tube and loaded into nylon squeezer barrels. The interstitial water was squeezed from the sediment through a 0.22 μm Millipore filter by the pressure of nitrogen acting against a rubber diaphragm4. The water drained directly into a calibrated test tube containing a solution of o-phenanthroline, buffered at pH 3.6, and the iron content was determined colorimetrically5. © 1974 Nature Publishing Group.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Oxidation effect on the analysis of iron in the interstitial water of recent anoxic sediments |
| Series title | Nature |
| DOI | 10.1038/249237a0 |
| Volume | 249 |
| Issue | 5454 |
| Year Published | 1974 |
| Language | English |
| Publisher | Nature |
| Description | 3 p. |
| First page | 237 |
| Last page | 239 |
| Country | United States |
| Other Geospatial | Chesapeake Bay |
| Google Analytic Metrics | Metrics page |