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Conductometric Determination of Ammonium in Turbid Water with a Flow-batch Porous Membrane-based Diffusion Scrubber System
Paper Type  |
Contributed Paper |
Title |
Conductometric Determination of Ammonium in Turbid Water with a Flow-batch Porous Membrane-based Diffusion Scrubber System |
Author |
Chattarika Sukpattanacharoen, Wasin Somboot, Jaroon Jakmunee and Tinakorn Kanyanee |
Email |
tinakorn.kanyanee@cmu.ac.th, tkanyanee@gmail.com |
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Abstract: A porous membrane-based diffusion scrubber was fabricated to couple with a conductometric detector as a flow-batch system for determining ammonium in turbid surface waters. A gravity flow of DI water as a gas absorbing liquid and a manual sample introduction was employed to develop a cost- effective device without using a conventional pump and an injection valve. The standard calibration graph was linear in the range of 5 – 100 μmol L-1, with a relative standard deviation of < 5%. The detection limit based on the lowest concentration in the calibration graph of 5 μmol L-1 can be obtained. The results of ammonium determination using the proposed method agree well with those using the batch-wise indophenol blue as a standard method. The proposed analytical system provides a cost-effective setup and easy operation for ammonium determination in some turbid surface waters samples without requiring a fi ltering process and conventional glassware. |
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Start & End Page |
1594 - 1603 |
Received Date |
2022-06-18 |
Revised Date |
2022-10-16 |
Accepted Date |
2022-10-25 |
Full Text |
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Keyword |
flow-batch analysis, porous membrane-based diffusion scrubber, conductometry, ammonium determination, turbid water |
Volume |
Vol.49 No.6 (November 2022) |
DOI |
https://doi.org/10.12982/CMJS.2022.107 |
Citation |
Sukpattanacharoen C., Somboot W., Jakmunee J. and Kanyanee T., Conductometric Determination of Ammonium in Turbid Water with a Flow-batch Porous Membrane-based Diffusion Scrubber System, Chiang Mai Journal of Science, 2022; 49(6): 1594-1603. DOI 10.12982/CMJS.2022.107. |
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