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http://hdl.handle.net/1942/27132
Title: | Monitoring the Chloride Concentration in International Scheldt River Basin DistrictWater Using a Low-Cost Multifunction Data Acquisition Board | Authors: | GUEDENS, Wanda REYNDERS, Monique VAN VINCKENROYE, Koen YPERMAN, Jan CARLEER, Robert |
Issue Date: | 2018 | Source: | Water, 10(8) (Art N° 1025) | Abstract: | In analytical chemistry laboratories, to gather in the shortest time as many data as possible with the utmost accuracy and precision, high throughput automated setups are indispensable. In the present study, to determine the chloride concentration in the international Scheldt river basin district, experiments are carried out utilizing a thermostatically controlled semi-automated setup. A novel ICT-based method is developed using a low-cost multifunction Data Acquisition Board (DAQ) controlled by a homebuilt LabVIEW™ program. Specifically, this approach enables a correlation between different parameters i.e., droplet volume, temperature, A/D voltage conversions. Here, processing experimental data of a potentiometric precipitation titration utilizing a silver nitrate standard solution as titrant in a manual burette equipped with a controllable electronic valve allows for a preliminary indication of the titration end point via the Virtual Instrument (VI) numerical first derivative tool in the LabVIEW software. The LabVIEW tool is compared with the well-known Gran method implemented in the LabVIEW program, emphasizing an accurate performance of the setup to determine the chloride concentration in fresh river water. We are confident that our findings are evidence of the versatile and powerful features of the LabVIEW controlled DAQ in the analytical chemistry laboratory. | Notes: | Guedens, WJ (reprint author), Hasselt Univ, Inst Mat Res, Biomol Design Grp, Campus Diepenbeek,Agoralaan Bldg D, BE-3590 Diepenbeek, Belgium. wanda.guedens@uhasselt.be; monique.reynders@uhasselt.be; koen.vanvinckenroye@uhasselt.be; jan.yperman@uhasselt.be; robert.carleer@uhasselt.be | Keywords: | electroanalytical chemistry; potentiometric titration; ionic solutions; multifunction data acquisition; chloride; solubility product; natural surface water; fresh river water | Document URI: | http://hdl.handle.net/1942/27132 | e-ISSN: | 2073-4441 | DOI: | 10.3390/w10081025 | ISI #: | 000448462700059 | Rights: | © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2019 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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water-10-01025_Published.pdf | Published version | 3.67 MB | Adobe PDF | View/Open |
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