Table 4 Naphthalene concentration and corresponding refractive index values.

1.0

n_liquid

c_e

1.33518

0.71959

1.33616

1.05067

1.33568

0.88851

1.33603

1.00675

1.33570

0.89527

1.33633

1.10810

1.33566

0.88175

1.33615

1.04729

1.33629

1.09459

1.2

n_liquid

c_e

1.33513

0.7027

1.33534

0.77364

1.33559

0.85810

1.33474

0.57094

1.33588

0.95608

1.33549

0.82432

1.33526

0.74662

1.33547

0.81756

1.33539

0.79054

1.4

n_liquid

c_e

1.33478

0.58445

1.33550

0.82770

1.33529

0.75675

1.33477

0.58108

1.33455

0.50675

1.33500

0.65878

1.33506

0.67905

1.33467

0.54729

1.33507

0.68243

1.6

n_liquid

c_e

1.33446

0.47635

1.33447

0.47972

1.33485

0.60810

1.33363

0.19594

1.33460

0.52365

1.33520

0.72635

1.33417

0.37837

1.33522

0.73311

1.33505

0.67567

1.8

n_liquid

c_e

1.33395

0.30405

1.33424

0.40202

1.33494

0.63851

1.33358

0.17905

1.33488

0.61824

1.33511

0.69594

1.33347

0.14189

1.33459

0.52027

1.33485

0.60810

2.0

n_liquid

c_e

1.33371

0.22297

1.33404

0.33445

1.33444

0.46959

1.33368

0.21284

1.33462

0.53040

1.33478

0.58446

1.33328

0.07770

1.33377

0.24324

1.33455

0.50675