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Determination of boron concentration in aqueous solutions based on conductivity measurement: a boron sensor based on conductivity measurement

  • F. Chen
  • L. Guo
  • Y. Ai
  • X. Hou
  • H. Y. YangEmail author
Short Communication
  • 40 Downloads

Abstract

In this work, a simple electrical conductivity measurement technique is applied to effectively determine the boron concentration in the aqueous solution based on the ionized complex formed between boron species and vitamin B6, which can be easily detected and accurately measured using a conductivity meter. The log of boron concentration is linearly correlated with the log of conductivity change within the range of 0–550 mg/L boron content. The correlation coefficient (R2) is up to 0.99882. The reproducibility is 100%. The methods can be directly applicable in deionization water or diluted seawater within diluted factor 34 times or higher (0–1600 us/cm conductivity range). This work provides a cost-effective technology for the boron measurement and will be of great industrial importance in boron measurement field.

Keywords

Boron sensor Vitamin B6 Ionic complex formation Electrical conductivity difference 

Notes

Acknowledgements

This project was supported by the National Research Foundation, Prime Minister’s Office, Singapore, under its Environment and Water Research Program (Project Ref. No. 1301-IRIS-17). This program is administered by the Public Utilities Board (PUB), Singapore’s national water agency. F.C. thanks the support from “Outstanding Young Scholar” project. X.H. was supported by the union project of National Natural Science Foundation of China and Guangdong Province (U1601214), the Scientific and Technological Plan of Guangdong Province (2017B090901027, 2016A050503040, 2016B010114002), the Scientific and Technological Plan of Guangzhou City (201607010322, 201607010274), and the Innovation Project of Graduate School of South China Normal University (2016lkxm49).

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Copyright information

© Islamic Azad University (IAU) 2019

Authors and Affiliations

  1. 1.Pillar of Engineering Product DevelopmentSingapore University of Technology and DesignSingaporeSingapore
  2. 2.Guangdong Engineering Technology Research Center of Efficient Green Energy and Environment Protection Materials, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication EngineeringSouth China Normal UniversityGuangzhouPeople’s Republic of China

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