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Citation: HUANG Qian-Zi, TANG Mei-Hua, ZHANG Zhi-Yi, BIAN Min, BU Hong-Zhong, SUN Er-Kang, CHEN Guo-Song. Simplification of the Hydrogen Ion Concentration Calculation Using MATLAB[J]. University Chemistry, ;2016, 31(3): 78-81. doi: 10.3866/PKU.DXHX20160378 shu

Simplification of the Hydrogen Ion Concentration Calculation Using MATLAB

1.
1 College of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 210009, P. R. China;
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2 College of Biotech and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, P. R. China;
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3 College of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China

Corresponding author: CHEN Guo-Song,
Fund Project: 国家重点基础研究发展计划(2013CB733501) (2013CB733501)江苏省教改"重中之重"项目(2013JSJG006) (2013JSJG006)

The calculation of hydrogen ion concentration is tightly associated with the conditions applied, and has been the keynote and difficulty part in study. A high degree univariate polynomial equation of hydrogen concentration was obtained by substituting the distribution fraction into the proton balance equation, and could be solved conveniently using MATLAB. Therefore, the calculation of the hydrogen concentration becomes easy as long as one can write the proton balance equation correctly. In such a way, students can better focus on learning the main knowledge of analytical chemistry.
- MATLAB,
- Calculation of hydrogen ion concentration,
- Proton balance equation,
- Distribution fraction
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