Relative Pressure (P/P₀)

Harkins model

Thickness (nm)

Carbon

Black

Thickness

(nm)

Halsey model

Thickness

(nm)

Jaroniec model

Thickness

(nm)

Quantity Adsorbed (cm³/g STP)

0.05194145

0.3262

0.33173965

0.4217

0.4573

7.19016053

0.08407268

0.3551

0.35284888

0.4474

0.4898

7.74184275

0.11996141

0.3827

0.37664149

0.4711

0.5199

8.2490695

0.15496155

0.4072

0.40006226

0.4918

0.5462

8.70265916

0.18999487

0.4304

0.42372332

0.5111

0.5708

9.14388884

0.22495869

0.4529

0.44755172

0.5297

0.5946

9.59146215

0.25993486

0.4754

0.4716038

0.548

0.6179

10.0480287

0.29498358

0.4979

0.49592175

0.5663

0.6413

10.5223821

0.33000122

0.5209

0.52043466

0.5848

0.6648

11.0162698

0.36461934

0.5443

0.54487883

0.6035

0.6885

11.5216408

0.3995725

0.5688

0.56977418

0.6229

0.7132

12.0428018

0.4345296

0.5944

0.5948874

0.6432

0.7387

12.5757069

0.46933312

0.6212

0.62010394

0.6643

0.7653

13.1181841