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A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate. / Frank, Carsten; Schroeder, Friedhelm; Ebinghaus, Ralf et al.
In: Microchimica acta, Vol. 154, No. 1-2, 04.2006, p. 31-38.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Frank, C, Schroeder, F, Ebinghaus, R & Ruck, W 2006, 'A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate', Microchimica acta, vol. 154, no. 1-2, pp. 31-38. https://doi.org/10.1007/s00604-006-0496-y

APA

Frank, C., Schroeder, F., Ebinghaus, R., & Ruck, W. (2006). A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate. Microchimica acta, 154(1-2), 31-38. https://doi.org/10.1007/s00604-006-0496-y

Vancouver

Frank C, Schroeder F, Ebinghaus R, Ruck W. A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate. Microchimica acta. 2006 Apr;154(1-2):31-38. doi: 10.1007/s00604-006-0496-y

Bibtex

@article{94e158aa2ec3451381c2c4fbce8c735d,
title = "A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate",
abstract = "A flow system is described that is based on sequential injection analysis (SIA) and is suitable for the fast determination of ammonia and phosphate in river and marine waters. It is applicable to nutrient mapping in inhomogeneous coastal areas like the Wadden Sea, and was optimised on several cruises on the North Sea. The high sample throughput of 120 samples per analyte per hour and the low reagent consumption (ammonia: 62.5 μL; phosphate: 60 μL) were achieved using a home made programme written in the python programming language. The determination of free reactive phosphate is based on the reaction of phosphate with acidic molybdate to phosphomolybdate which forms nonfluorescent ion pairs with rhodamine 6G. The remaining rhodamine fluorescence is detected at 550 nm with an excitation at 470 nm. Ammonia is determined with the help of o-phthaldialdehyde and sodium sulfite. At 85°C and a reaction time of at least one minute a fluorescent species (exc. 365nm, em. 425nm) is formed. The detection limits are (3σ) 0.3 μmol L -1 for phosphate and 1 μmol L -1 for ammonia.",
keywords = "Chemistry, Phosphate, ammonia, sequential injection analysis, marine waters, Phosphate, ammonia, sequential injection analysis, marine waters",
author = "Carsten Frank and Friedhelm Schroeder and Ralf Ebinghaus and Wolfgang Ruck",
note = "Parallel als Online-Ausg. erschienen unter der Adresse http://dx.doi.org/10.1007/s00604-006-0496-y",
year = "2006",
month = apr,
doi = "10.1007/s00604-006-0496-y",
language = "English",
volume = "154",
pages = "31--38",
journal = "Microchimica acta",
issn = "0026-3672",
publisher = "Springer-Verlag Wien",
number = "1-2",

}

RIS

TY - JOUR

T1 - A fast sequential injection analysis system for the simultaneous determination of ammonia and phosphate

AU - Frank, Carsten

AU - Schroeder, Friedhelm

AU - Ebinghaus, Ralf

AU - Ruck, Wolfgang

N1 - Parallel als Online-Ausg. erschienen unter der Adresse http://dx.doi.org/10.1007/s00604-006-0496-y

PY - 2006/4

Y1 - 2006/4

N2 - A flow system is described that is based on sequential injection analysis (SIA) and is suitable for the fast determination of ammonia and phosphate in river and marine waters. It is applicable to nutrient mapping in inhomogeneous coastal areas like the Wadden Sea, and was optimised on several cruises on the North Sea. The high sample throughput of 120 samples per analyte per hour and the low reagent consumption (ammonia: 62.5 μL; phosphate: 60 μL) were achieved using a home made programme written in the python programming language. The determination of free reactive phosphate is based on the reaction of phosphate with acidic molybdate to phosphomolybdate which forms nonfluorescent ion pairs with rhodamine 6G. The remaining rhodamine fluorescence is detected at 550 nm with an excitation at 470 nm. Ammonia is determined with the help of o-phthaldialdehyde and sodium sulfite. At 85°C and a reaction time of at least one minute a fluorescent species (exc. 365nm, em. 425nm) is formed. The detection limits are (3σ) 0.3 μmol L -1 for phosphate and 1 μmol L -1 for ammonia.

AB - A flow system is described that is based on sequential injection analysis (SIA) and is suitable for the fast determination of ammonia and phosphate in river and marine waters. It is applicable to nutrient mapping in inhomogeneous coastal areas like the Wadden Sea, and was optimised on several cruises on the North Sea. The high sample throughput of 120 samples per analyte per hour and the low reagent consumption (ammonia: 62.5 μL; phosphate: 60 μL) were achieved using a home made programme written in the python programming language. The determination of free reactive phosphate is based on the reaction of phosphate with acidic molybdate to phosphomolybdate which forms nonfluorescent ion pairs with rhodamine 6G. The remaining rhodamine fluorescence is detected at 550 nm with an excitation at 470 nm. Ammonia is determined with the help of o-phthaldialdehyde and sodium sulfite. At 85°C and a reaction time of at least one minute a fluorescent species (exc. 365nm, em. 425nm) is formed. The detection limits are (3σ) 0.3 μmol L -1 for phosphate and 1 μmol L -1 for ammonia.

KW - Chemistry

KW - Phosphate

KW - ammonia

KW - sequential injection analysis

KW - marine waters

KW - Phosphate

KW - ammonia

KW - sequential injection analysis

KW - marine waters

UR - http://www.scopus.com/inward/record.url?scp=33645997667&partnerID=8YFLogxK

U2 - 10.1007/s00604-006-0496-y

DO - 10.1007/s00604-006-0496-y

M3 - Journal articles

VL - 154

SP - 31

EP - 38

JO - Microchimica acta

JF - Microchimica acta

SN - 0026-3672

IS - 1-2

ER -

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