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Rapid, small-volume, flow injection analysis for SCO2, and NH4+ in marine and freshwaters
Open accessAbstract
∑CO2 and NH4+ in natural waters can be rapidly (∼60 samples h−1), precisely (∼1% RSD), and simply determined in small samples (20 µl, ∑CO2; 50 µl, NH4+) with an inexpensive flow injection analysis system (FIA). A gas-permeable membrane is used to remove CO2 or NH3 from acidic (∑CO2) or basic (NH4+) reagent streams into a receiving stream and conductivity detector. Linear negative responses occur over a wide range ofconcentrations (<0.1–20 mM ∑CO2; 0.1–100 µM NH4+). Adding Zn2+ to sulfidic samples prevents H2S interferences for CO2 and allows determination of H2S at high concentration (>0.1 mM) by difference (with, without Zn). Interferences from fatty acids (∑CO2) and methylamines (NH4+) are unlikely at natural levels. These methods correlate well with traditional techniques.
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Cited by
Rozan, T. F., Taillefert, M., Trouwborst, R. E., Glazer, B. T., Ma, S., Herszage, J., Valdes, L. M., Price, K. S., & Luther III, G. W. (2002) · Limnology and Oceanography · doi:10.4319/lo.2002.47.5.1346 · Cited by 420
Interactions of manganese with the nitrogen cycle: Alternative pathways to dinitrogen
Luther, G. W., Sundby, B., Lewis, B. L., Brendel, P. J., & Silverberg, N. (1997) · Geochimica et Cosmochimica Acta · doi:10.1016/s0016-7037(97)00239-1 · Cited by 399
Thermodynamic control on hydrogen concentrations in anoxic sediments
Hoehler, T. M., Alperin, M. J., Albert, D. B., & Martens, C. S. (1998) · Geochimica et Cosmochimica Acta · doi:10.1016/s0016-7037(98)00106-9 · Cited by 353
The methane cycle in ferruginous Lake Matano
CROWE, S. A., KATSEV, S., LESLIE, K., STURM, A., MAGEN, C., NOMOSATRYO, S., PACK, M. A., KESSLER, J. D., REEBURGH, W. S., ROBERTS, J. A., et al. (2011) · Geobiology · doi:10.1111/j.1472-4669.2010.00257.x · Cited by 217
Billerbeck, M., Werner, U., Polerecky, L., Walpersdorf, E., deBeer, D., & Huettel, M. (2006) · Marine Ecology Progress Series · doi:10.3354/meps326061 · Cited by 149
Metadata
- Authors
- Hall, P. J., & Aller, R. C.
- Venue
- Limnology and Oceanography
- Publisher
- Wiley
- Published
- 1992-07
- Volume
- 37
- Issue
- 5
- Pages
- 1113-1119
- ISSN
- 0024-3590 (ISSN-L)
- OpenAlex
- W2029048327
- Cited by
- 488
- References
- 0
- FWCI
- 17.21
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: Rapid, small-volume, flow injection analysis for SCO2, and NH4+ in marine and freshwaters. https://app.cochat.ai/papers/10.4319/lo.1992.37.5.1113
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- Hall, P. J., & Aller, R. C. (1992). Rapid, small-volume, flow injection analysis for SCO2, and NH4+ in marine and freshwaters. Limnology and Oceanography. https://doi.org/10.4319/lo.1992.37.5.1113
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
