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| Preparation SandSpropertySofElectrographic gel style All-State-Ag/AgCl Reference Electrode |
| Received:December 26, 2017 Revised:December 26, 2017 |
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| DOI：doi:10.3969/j.issn.2095-1035.2018.03.016 |
| KeyWord:Electrographic gel; impermeable; All-state-reference electrode; Ag/AgCl |
| Author | Institution |
| Yin Nana |
辽宁师范大学化学化工学院 辽宁大连 |
| LI Mingqian |
辽宁师范大学化学化工学院 辽宁大连 |
| DAI Xin |
辽宁师范大学化学化工学院 辽宁大连 |
| LI Yuying |
辽宁师范大学化学化工学院 辽宁大连 |
| HE Chunxiang |
辽宁师范大学化学化工学院 辽宁大连 |
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| Abstract: |
| The praparation method and property of a electrographic gel style all-state-Ag/AgCl reference electrode(ASRE) were studied, and the electrographic gel was consisting of AgCl-KCl-polyvinyl alcohol-agar. The ASRE cooperatedSwith pH glass electrode was used for the determination of pH of phosphate buffered solution in the range of pH 2.00~12.00, the results were compared with saturated calomel electrode(SCE) as RE, relative errors(Er) were -0.8% ~ 0.8%. The ASRE cooperatedSwith chloride ion selective electrode was used for the determination of Cl- in the range of concentretions 1.000×10-1~1.000×10-4 mol/L, the electromotive force(△E) has a linear relationship with -lgc(Cl-) with the slope of -49.3, coincidental with -49.9 when SCE as RE. The ASRE can straighway be used for determination of Cl- withoutSdouble salt bridge. In the range of temperature 10~80℃, △E were linear with T, and the temperature coefficient was 0.123 mV/℃. It is expected that the ASRE can be used for off-line or on-line detection. |
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