Published January 1, 2021
| Version v1
Journal article
Open
A unified pH scale for all solvents: part I - intention and reasoning (IUPAC Technical Report)
Creators
- 1. Univ Freiburg, IAAC, Albertstr 21, D-79104 Freiburg, Germany
- 2. Lab Metrol & Essais, 1 Rue Gaston Boissier, F-75015 Paris, France
- 3. Univ Tartu, 14a Ravila St, EE-50411 Tartu, Estonia
- 4. Univ Lisbon, Ctr Quim Estrutural, Fac Ciencias, P-1749016 Lisbon, Portugal
- 5. Czech Metrol Inst, Okruzni 31-772, Brno 63800, Czech Republic
- 6. Danish Fundamental Metrol, Kogle Alle 5, DK-2970 Horsholm, Denmark
- 7. Danish Natl Metrol Inst, Horsholm, Denmark
- 8. Suomen Ymparistokeskus SYKE, Latokartanonkaari 11, Helsinki 00790, Finland
- 9. Phys Tech Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany
- 10. Govt Off Capital City Budapest BFKH, Metrol & Tech Supervisory Dept, Nemetvolgyi Ut 37-39, H-1124 Budapest, Hungary
- 11. Inst Portugues Qualidade, Rua Antonio Giao 2, P-2829513 Caparica, Portugal
- 12. Natl Metrol Inst TUBITAK UME, Electrochem Lab, Chem Grp, Sci & Technol Res Council Turkey, TR-41470 Kocaeli, Turkey
- 13. ANBSensors, Unit 4, Cambridge CB23 1JZ, England
Description
The definition of pH, its measurement and standard buffers, is well developed in aqueous solutions. Its definition in solvents other than water has been elaborated for a couple of solvents and their mixtures with water. However, the definition of a universal pH scale spanning all solvents and phases, not to mention standard procedures of measurement, is still a largely uncharted territory. UnipHied is a European collaboration and has the goal of putting the theoretical concept of an earlier introduced (2010) unified pH(abs) scale on a metrologically well-founded basis into practice. The pH(abs) scale enables the comparability of acidity between different phases. This article draws the connection of the concepts of unified acidity and secondary pH measurement.
Files
bib-54244e55-c88b-459f-bc6b-59859d4daec3.txt
Files
(363 Bytes)
| Name | Size | Download all |
|---|---|---|
|
md5:df47b9c6eda9952258f6567c20c80f34
|
363 Bytes | Preview Download |