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Fabiano Barbieri Gonzaga Júlio Cesar Dias Diana Jehnert Barbara Werner Karin Schräpler Leoš Vyskočil 《Electroanalysis》2013,25(8):1955-1959
This work presents a new differential potentiometric cell for the standardization of pH buffer solutions and its evaluation, by means of a bilateral interlaboratory comparison, in relation to a traditional Baucke cell. The results obtained with the two cells were exactly the same for three of the pH buffer solutions analyzed (1.68, 4.01, and 6.86) and similar to each other for the remaining buffer solution (9.18). The new cell showed an average measurement time of only 21 minutes, in comparison with one to three hours for other cells described in the literature (including the Baucke cell). 相似文献
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Jehnert Diana Werner Barbara Schiering Nadine Hanheiser Karin Vogt Carla Dreyer Anja Spitzer Petra Dziomba Thorsten Felgner André Hagedorn Daniel 《Journal of Solid State Electrochemistry》2019,23(2):485-495
Journal of Solid State Electrochemistry - For primary pH measurements, a platinum hydrogen electrode and a silver chloride electrode are immersed in the same solution in a cell without transference... 相似文献
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