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preface to fifteenth edition

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ELECTROLYTES, EMF, AND CHEMICAL EQUILIBRIUM 8.27<br />

TABLE 8.8<br />

pK a Values of Organic Materials in Water at 25C (Continued)<br />

Substance pK 1 pK 2 pK 3 pK 4<br />

3-Amino-N-ethyl-3-methyl-2-butanone<br />

9.23(1)<br />

oxime<br />

N-(2-Aminoethyl)morpholine 4.06(2) 9.15(1)<br />

p-(2-Aminoethyl)phenol 9.3 10.9<br />

2-Aminoethylphosphonic acid 2.45(1) 7.0(0) 10.8(1)<br />

N-(2-Aminoethyl)piperidine (30C) 6.38 9.89<br />

2-(2-Aminoethyl)pyridine<br />

4.24(2) 9.78(1)<br />

( 0.5)<br />

4-Amino-3-ethylpyridine (20C) 9.51(1)<br />

N-(2-Aminoethyl)pyrrolidine<br />

6.56(2) 9.74(1)<br />

(30C)<br />

2-Aminofluorine<br />

10.34(1)<br />

2-Amino-D--glucose ( 0.05) 2.20(1) 9.08(0)<br />

2-Amino-N-glycylbutanoic acid 3.155(1) 8.331(0)<br />

7-Aminoheptanoic acid 4.502<br />

2-Aminohexanoic acid 2.335(1) 9.834(0)<br />

6-Aminohexanoic acid 4.373(1) 10.804(0)<br />

C-Amino-C-hydrazinocarbonylmethane<br />

2.38(2) 7.69(1)<br />

2-Amino-3-hydroxybenzoic acid 2.5(1) 5.192(0) 10.118(OH)<br />

L-2-Amino-3-hydroxybutanoic acid 2.088(1) 9.100(0)<br />

(threonine)<br />

DL-2-Amino-4-hydroxybutanoic 2.265(1) 9.257(0)<br />

acid ( 0.1)<br />

DL-4-Amino-3-hydroxybutanoic 3.834(1) 9.487(0)<br />

acid ( 0.1)<br />

2-Amino-2-hydroxydiethylsulfide 9.27(1)<br />

4-Amino-2-hydroxypyrimidine (cy<strong>to</strong>sine)<br />

4.58(1) 12.15(0)<br />

3-Amino-N-isopropyl-3-methyl-2- 9.09(1)<br />

butanone oxime<br />

4-Amino-3-isopropylpyridine<br />

9.54(1)<br />

(20C)<br />

1-Aminoisoquinoline (20C,<br />

7.62(1)<br />

0.01)<br />

3-Aminoisoquinoline (20C,<br />

5.05(1)<br />

0.005)<br />

4-Aminoisoxazolidine-3-one<br />

7.4(1)<br />

Aminomalonic acid 3.32(1) 9.83(0)<br />

DL-2-Amino-4-mercap<strong>to</strong>butanoic 2.22(1) 8.87(0) 10.86(SH)<br />

acid<br />

2-Amino-3-mercap<strong>to</strong>-<br />

1.8(1) 7.9(0) 10.5(SH)<br />

3-Methylbutanoic acid<br />

2-Amino-6-methoxybenzothiazole 4.50(1)<br />

3-Amino-4-methylbenzenesulfonic 3.633<br />

acid<br />

4-Amino-3-methylbenzenesulfonic 3.125<br />

acid<br />

2-Amino-4-methylbenzothiazole 4.7(1)<br />

1-Amino-3-methylbutane<br />

10.64(1)<br />

3-Amino-3-methyl-2-butanone oxime<br />

9.09(1)<br />

3-Amino-N-methyl-3-methyl-2-butanone<br />

oxime<br />

9.23(1)

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