Multiple-point calibration with linear regression as a proposed standardization procedure for high-precision pH measurements

Multiple-point calibration with linear regression as a proposed standardization procedure for high-precision pH measurements

Multiple-point calibration with linear regression is proposed as a standardization procedure for measuring pH values with high precision. The method is based on a calibration function obtained by linear regression of several E/pH couples and yields only one pH value for each solution if the standard...

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Veröffentlicht in:Analytical chemistry (Washington) 1993-11, Vol.65 (22), p.3244-3251
Hauptverfasser: Baucke, Friedrich G. K, Naumann, Renate, Alexander-Weber, Christine
Format: Artikel
Sprache:eng
Schlagworte:
Analytical chemistry
Chemistry
Electrochemical methods
Exact sciences and technology
Mathematics
Weights & measures
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Zusammenfassung:Multiple-point calibration with linear regression is proposed as a standardization procedure for measuring pH values with high precision. The method is based on a calibration function obtained by linear regression of several E/pH couples and yields only one pH value for each solution if the standard buffers and their number are fixed.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac00070a013