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values of some carboxylic acids, thiophenol and mercaptopyridine immobilized on surfaces and dissolved in solutions
| Surface immobilized acid | Acid dissolved in solution | References | |
|---|---|---|---|
| 4-Mercaptopyridine | 4.6 | 1.4 | Bryant and Crooks (1993) |
| 4-Aminothiophenol | 6.9 | 4.3 | |
| HS(CH2)2COOH | 6.5–8.4 | 4.3 | Burris et al. (2008) |
| HS(CH2)15COOH | 8.0, 6.4 | 4.5 | Chechik et al. (2000) |
| HS(CH2)10COOH | 5.5–8.5 | 4.5 | |
| HS(CH2)7COOH | 8.0 | 4.5 | |
| HS(CH2)5COOH | 6.0 | 4.5 | |
| HS(CH2)2COOH | 5.8, 8.0 | 4.5 |
