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preface to fifteenth edition

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ELECTROLYTES, EMF, AND CHEMICAL EQUILIBRIUM 8.43<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 />

N,N-Dimethylaniline<br />

5.15(1)<br />

2,3-Dimethylaniline<br />

4.70(1)<br />

2,4-Dimethylaniline<br />

4.89(1)<br />

2,5-Dimethylaniline<br />

4.53(1)<br />

2,6-Dimethylaniline<br />

3.95(1)<br />

3,4-Dimethylaniline<br />

5.17(1)<br />

3,5-Dimethylaniline<br />

4.765(1)<br />

N,N-Dimethylaniline-4-phosphonic 2.0(1) 4.2 7.39<br />

acid (17C)<br />

Dimethylarsinic acid (cacodylic 1.67 6.273<br />

acid)<br />

1,3-Dimethylbarbituric acid<br />

4.68(1)<br />

2,3-Dimethylbenzoic acid 3.771<br />

2,4-Dimethylbenzoic acid 4.217<br />

2,5-Dimethylbenzoic acid 3.990<br />

2,6-Dimethylbenzoic acid 3.362<br />

3,4-Dimethylbenzoic 4.41<br />

3,5-Dimethylbenzoic acid 4.302<br />

N,N-Dimethylbenzylamine<br />

9.02(1)<br />

Dimethylbiguanide 2.77(1) 11.52<br />

2,2-Dimethylbutanoic acid (18C) 5.03<br />

Dimethylchlorotetracycline ( 3.30(1)<br />

0.01)<br />

2,6-Dimethyl-4-cyanophenol 8.27<br />

3,5-Dimethyl-4-cyanophenol 8.21<br />

5,5-Dimethyl-1,3-cyclohexanedione 5.15<br />

cis-3,3-Dimethyl-1,2-cyclopropanedicarboxylic<br />

2.34 8.31<br />

acid<br />

trans-3,3-Dimethyl-1,2-cyclopropanedicarboxylic<br />

3.92 5.32<br />

acid<br />

3,5-Dimethyl-4-(dimethylamino)- 8.12(1)<br />

pyridine (20C)<br />

2,2-Dimethyl-1,3-dioxane-4,6- 5.1<br />

dione<br />

1,1-Dimethylethanethiol ( 0.1) 11.22<br />

N,N-Dimethylethylenediamine- 6.63 9.53<br />

N,N-diacetic acid<br />

N,N-Dimethylethylenediamine- 7.40 10.16<br />

N,N-diacetic acid<br />

N,N-Dimethylethylenediamine- 5.99 9.97<br />

N,N-diacetic acid<br />

N,N-Dimethylglycine 2.146(1) 9.940(0)<br />

Dimethylglycolic acid (18C) 4.04<br />

N,N-Dimethylglycylglycine 3.11(1) 8.09(0)<br />

Dimethylglyoxime 10.60<br />

5,5-Dimethyl-2,4-hexanedione 10.01<br />

5,5-Dimethylhydan<strong>to</strong>in 9.19<br />

2,4-Dimethyl-8-hydroxyquinoline 6.20(1) 10.60(0)<br />

3,4-Dimethyl-8-hydroxyquinoline 5.80(1) 10.05(0)<br />

2,4-Dimethyl-8-hydroxyquinoline- 3.20<br />

10.14(OH)<br />

7-sulfonic acid<br />

(NH )<br />

Dimethylhydroxytetracycline 7.5 9.4<br />

2,4-Dimethylimidazole<br />

8.38(1)

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