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Method of producing a constant reference potential and of measuring the pH-value and pH-meter for analytical chemistry
Method of producing a constant reference potential and of measuring the pH-value and pH-meter for analytical chemistry
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机译:产生恒定参考电位并测量用于分析化学的pH值和pH计的方法
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摘要
To generate a constant reference potential in analytical chemistry by means of a pH measuring cell (10) containing a reference electrode, in particular for the meat-processing trade or for making measurements in semisolid substances such as cheese and pastes with at least the pH measuring electrode (11) being introduced into the test medium to carry out the measurement by a single movement in each case, it is proposed to subject the electrolyte solution (26) of the reference electrode (12) to be brought into contact with the test medium to a compression whenever the pH measure electrode (11) is introduced into the medium and to bring about a cleaning of the at least one diaphragm (30) coming into an external contact with the medium through the resultant rise in pressure in the electrolyte solution (26) with time. …IMAGE…
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