Appendix

Appendices1101Compound Conjugate Acid pK a K a1.91sulfurous acid H 2 SO1.2×10 –237.186.6×10 –8d-tartaric acidHOOCOHOHCOOH3.036 (COOH)4.366 (COOH)9.20×10 –44.31×10 –5Othreonine+ H 3 N CH C OHCH OH2.088 (COOH)9.100 (NH 3 )8.17×10 –37.94×10 –10CH 3thiosulfuric acid H 2 S 2 O 30.61.63.×10 –13.×10 –2trichloroacetic acid (m = 0.1 M) Cl 3 CCOOH 0.66 2.2×10 –1triethanolamine (HOCH 2 CH 2 ) 3 NH + 7.762 1.73×10 –8triethylamine (CH 3 CH 2 ) 3 NH + 10.715 1.93×10 –11trimethylamine (CH 3 ) 3 NH + 9.800 1.58×10 –10tris(hydroxymethyl)amino methane(TRIS or THAM)tryptophan (m = 0.1 M)(HOCH 2 ) 3 CNH 3++ H 3 N CH CHNCH 2OOH8.075 8.41×10 –92.35 (COOH)9.33 (NH 3 )4.5×10 –34.7×10 –10O+ H 3 N CH COHtryosine (pK a1 : m = 0.1 M)CH 22.17 (COOH)9.19 (NH 3 )10.47 (OH)6.8×10 –36.5×10 –103.4×10 –11OHOvaline+ H 3 N CH C OHCH CH 32.286 (COOH)9.718 (NH 3 )5.18×10 –31.91×10 –10CH 3