T/K

pK₂

σ (pK₂)^a

ß

σ (ß)^b

278.15

8.0363

0.0009

2.888

0.011

283.15

7.9785

0.0009

2.859

0.010

288.15

7.9192

0.0009

2.784

0.010

293.15

7.8614

0.0009

2.689

0.010

298.15

7.8029

0.0008

2.691

0.010

303.15

7.7445

0.0008

2.918

0.009

308.15

7.6862

0.0008

2.878

0.009

310.15

7.6628

0.0008

2.893

0.009

313.15

7.6277

0.0009

2.898

0.009

318.15

7.5693

0.0008

2.913

0.009

323.15

7.5113

0.0008

2.891

0.009

328.15

7.4535

0.0008

2.983

0.009