Table 2 Naphthalene concentration and corresponding refractive index values at different time Intervals.

From: Simultaneous measurements of microplastic 3D morphology and naphthalene adsorption based on digital holographic microscopy

t/min

Group1

Group2

Group3

Group4

Group5

Group6

Group7

Group8

Group9

30

nliquid

ct/(mg/L)

1.33855

1.85811

1.33846

1.82772

1.33862

1.88176

1.33841

1.81081

1.33882

1.94932

1.33877

1.93243

1.33873

1.91892

1.33875

1.92568

1.33868

1.90203

60

nliquid

ct/(mg/L)

1.33801

1.67230

1.33804

1.68581

1.33798

1.66554

1.33784

1.61824

1.33836

1.79392

1.33842

1.81419

1.33835

1.79054

1.33832

1.78041

1.33826

1.76014

90

nliquid

ct/(mg/L)

1.33743

1.47973

1.33755

1.52027

1.33747

1.49324

1.33723

1.41216

1.33786

1.62500

1.33785

1.62162

1.33779

1.60135

1.33779

1.60135

1.33781

1.60473

120

nliquid

ct/(mg/L)

1.33692

1.30743

1.33677

1.25676

1.33685

1.28378

1.33647

1.15541

1.33709

1.36486

1.33711

1.37162

1.33716

1.38851

1.33720

1.40203

1.33711

1.37162

180

nliquid

ct/(mg/L)

1.33606

1.01689

1.33584

0.94257

1.33605

1.01351

1.33619

1.06081

1.33653

1.17568

1.33649

1.16216

1.33624

1.07770

1.33640

1.13176

1.33628

1.09122

240

nliquid

ct/(mg/L)

1.33510

0.69257

1.33506

0.67905

1.33507

0.68243

1.33570

0.89527

1.33607

1.02027

1.33601

1.00101

1.33566

0.88176

1.33573

0.90541

1.33568

0.88851

360

nliquid

ct/(mg/L)

1.33421

0.39189

1.33427

0.41216

1.33423

0.39865

1.33536

0.78041

1.33573

0.90541

1.33570

0.89527

1.33507

0.68243

1.33504

0.67232

1.33513

0.70271

480

nliquid

ct/(mg/L)

1.33377

0.24324

1.33384

0.26689

1.33370

0.21959

1.33536

0.78041

1.33534

0.77365

1.33525

0.74324

1.33467

0.54732

1.33466

0.54392

1.33464

0.53716

720

nliquid

ct/(mg/L)

1.33375

0.23649

1.33364

0.19932

1.33366

0.20608

1.33499

0.65541

1.33492

0.63176

1.33504

0.6723

1.33451

0.49324

1.33453

0.50010

1.33453

0.50010

1080

nliquid

ct/(mg/L)

1.33379

0.25002

1.33368

0.21284

1.33371

0.22297

1.33473

0.56757

1.33479

0.58784

1.33476

0.57771

1.33441

0.45946

1.33453

0.50010

1.33444

0.46959

1440

nliquid

ct/(mg/L)

1.33371

0.22297

1.33362

0.19257

1.33360

0.18581

1.33471

0.56081

1.33477

0.58108

1.33474

0.57095

1.33451

0.49324

1.33439

0.45270

1.33450

0.48986