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Section 5

LIQUIDS

5.1 Introduction

Liquids in this section include water (H2O), heavy water (D2O), and the following selected organic materials (CAS – Chemical Abstract Service Registry Number):

CAS no.

Liquid

CAS no.

Liquid

100

acetic acid, C2H4O2

5672

ethanol, C2H6O

10411

acetone, C3H6O

5569

ethylene glycol, C2H6O2

867

benzene, C6H6

10186

glycerine (glycerol), C3H8O3

998

bromobenzene, C6H5Br

6355

heptane, C7H16

3993

carbon disulfide, CS2

6632

hexadecane, C16H34

7540

carbon tetrachloride, CCl4

6731

hexane, C6H14

7554

chloroform, CHCl3

7581

methanol, CH4O

4305

cyclohexane, C6H12

4426

methylcyclohexane, C7H14

5529

1,2-dichloroethane, C2H4Cl2

7915

1-methylnaphthalene, C11H10

7499

dichloromethane, CH2Cl2

2049

nitrobenzene, C6H5NO2

7529

dimethylsulfoxide, C2H6OS

1947

toluene, C7H8

5187

1,4-dioxane, C4H8O2

8848

2,2,4-trimethylpentane, C8H18

 

 

 

 

5.2 Water

5.2.1 Physical Properties

Density, specific heat capacity at constant pressure (Cp), viscosity, vapor pressure, thermal conductivity, dielectric constant, and surface tension of water. All values (except vapor pressure) at for a pressure of 100 kPa (1 bar). Temperature scale is IPTS-68.

 

 

Cp

 

Vapor

Therm.

 

Surf.

Temp.

Density

Visc.

press.

cond.

Diel.

tens.

(ºC)

(g/cm3)

(J/g K)

( Pa s)

(kPa)

(mW/m K)

const.

(mN/m)

0

0.99984

4.2176

0.6113

1793

561.0

87.90

75.64

10

0.99970

4.1921

1.2281

1307

580.0

83.96

74.23

20

0.99821

4.1818

2.3388

1002

598.4

80.20

72.75

30

0.99565

4.1784

4.2455

797.7

615.4

76.60

71.20

40

0.99222

4.1785

7.3814

653.2

630.5

73.17

69.60

50

0.98803

4.1806

12.344

547.0

643.5

69.88

67.94

60

0.98320

4.1843

19.932

466.5

654.3

66.73

66.24

70

0.97778

4.1895

31.176

404.0

663.1

63.73

64.47

80

0.97182

4.1963

47.373

354.4

670.0

60.86

62.67

90

0.96535

4.2050

70.117

314.5

675.3

587.12

60.82

100

0.95840

4.2159

101.325

281.8

679.1

55.51

58.91

From the CRC Handbook of Chemistry and Physics, 82nd edition, Lide, D. R., Ed. (CRC Press, Boca Raton, FL, 2001), p. 6-3.

© 2003 by CRC Press LLC

5.2.2 Absorption

Linear Absorption Coefficient α of Water*

λ (nm)

α (10-4 cm-1)

Ref.

 

λ (nm)

α (10-4 cm-1)

Ref.

185

14600

1

660

40.7

2

186

9700

1

665

41.9

2

187

6000

1

670

42.5

2

188

3800

1

675

43.8

2

189

2300

1

680

44.7

2

190

1400

1

685

46.7

2

400

5.8

2

690

49

4

410

4.7

2

690

51.5

2

420

3.8

2

694.2

52.6

3

430

4.0

2

695

56.9

2

440

3.2

2

700

64.8

2

450

3.3

2

702

69

4

460.7

2.11

3

705

75.0

2

469.4

2.05

3

710

90.4

2

480.7

1.86

3

714

98

4

490.1

1.89

3

715

111.4

2

499.9

2.33

3

720

137.5

2

510.1

3.13

3

725

134

4

520.7

3.80

3

725

175.6

2

529.0

4.09

3

730

230.9

2

540.4

4.80

3

735

238

4

546.3

5.28

3

735

260.8

2

574.5

8.05

3

740

269.8

2

580

10.9

2

745

271.2

2

585

11.9

2

746

275

4

590

17.2

2

750

268.3

2

595

21.4

2

752

281

4

598.6

19.25

3

755

269.6

2

600

27.2

2

758

272

4

602.2

23.2

3

760

268.5

2

605

29.3

2

769

251

4

610

29.3

2

770

251.9

2

615

30.0

2

780

234.6

2

620

30.9

2

781

230

4

625

30.5

2

790

205.2

2

630

32.0

2

794

210

4

635

32.5

2

806

195

4

640

33.4

2

813

191

4

645

33.9

2

820

199

4

649.2

32.3

3

833

308

4

650

35.1

2

847

387

4

655

38.7

2

862

428

4

© 2003 by CRC Press LLC

Linear Absorption Coefficient α of Water*—continued

λ (nm)

α (10-4 cm-1)

Ref.

 

λ (nm)

α (10-4 cm-1)

Ref.

877

506

4

1370

54500

4

893

609

4

1389

91300

4

909

750

4

1408

215000

4

926

1190

4

1429

310000

4

935

1580

4

1443

317000

4

943

2140

4

1471

285000

4

952

3220

4

1493

217000

4

962

4710

4

1515

156000

4

973

5140

4

1538

121000

4

980

5020

4

1563

96800

4

990

4690

4

1587

80700

4

1000

4160

4

1613

68000

4

1010

3510

4

1639

60700

4

1020

2850

4

1667

56500

4

1031

2310

4

1695

56500

4

1042

1900

4

1724

62300

4

1053

1640

4

1754

76000

4

1070

1480

4

1786

91800

4

1087

1660

4

1802

94800

4

1099

1920

4

1818

94400

4

1111

2320

4

1852

108000

4

1124

3230

4

1887

575000

4

1136

5480

4

1927

1240000

4

1149

9700

4

1961

1090000

4

1163

11800

4

2000

692000

4

1176

12300

4

2041

450000

4

1190

12500

4

2083

310000

4

1205

12500

4

2128

236000

4

1220

12200

4

2198

193000

4

1235

11700

4

2273

230000

4

1250

11100

4

2326

293000

4

1266

10700

4

2381

418000

4

1282

11300

4

2439

635000

4

1299

13400

4

2500

957000

4

1316

16700

4

2564

1110000

4

1333

22500

4

2632

1930000

4

1351

38700

4

 

 

 

 

* Measurements made at room temperature (Ref. 1 – 298 K; Ref. 2 – 296 ± 1.5 K; Ref. 4 – 300 K).

References:

1.Barrett, J. and Mansell, A. L., Ultra-violet absorption spectra of the molecules H2O, HDO and D2, Nature 187, 138 (1960).

© 2003 by CRC Press LLC

2.Sullivan, S. A., Experimental study of the absorption in distilled water, artificial sea water, and

heavy water in the visible region of the spectrum, J. Opt. Soc. Am. 53, 962 (1963). This reference contains additional values of α at wavelengths intermediate to those given above.

3.Tam, A. C. and Patel, C. K. N., Optical absorption of light and heavy water by laser optoacoustic spectroscopy, Appl. Opt. 18, 3348 (1979).

4.Palmer, K. F. and Williams, D., Optical properties of water in the near infrared, J. Opt. Soc. Am. 64, 1107 (1974).

Absorption Coefficient α for Water in the Infrared (T = 298 K)

λ (nm)

α (cm-1)

λ (nm)

α (cm-1)

λ (nm)

α (cm-1)

0.700

0.00602

3.45

481

7.1

566

0.725

0.0159

3.50

338

7.2

560

0.750

0.0261

3.6

180

7.3

554

0.775

0.0240

3.7

122

7.4

550

0.800

0.0196

3.8

112

7.5

546

0.825

0.0277

3.9

122

7.6

542

0.850

0.0433

4.0

145

7.7

540

0.875

0.0562

4.1

172

7.8

540

0.900

0.0678

4.2

206

7.9

539

0.925

0.144

4.3

247

8.0

539

0.950

0.374

4.4

294

8.2

538

0.975

0.449

4.5

374

8.4

540

1.00

0.363

4.6

402

8.6

544

1.20

1.04

4.7

420

8.8

550

1.40

12.4

4.8

393

9.0

557

1.60

67.2

4.9

351

9.2

567

1.80

80.3

5.0

312

9.4

579

2.00

69.1

5.1

274

9.6

594

2.20

16.5

5.2

244

9.8

614

2.40

50.1

5.3

232

10.0

639

2.60

153

5.4

240

10.5

793

2.65

318

5.5

265

11.0

1110

2.70

845

5.6

319

11.5

1550

2.75

2700

5.7

448

12.0

2080

2.80

5120

5.8

715

12.5

2600

2.85

8160

5.9

1330

13.0

2950

2.90

11600

6.0

2240

13.5

3190

2.95

12700

6.1

2700

14.0

3320

3.00

11400

6.2

1800

14.5

3360

3.05

9890

6.3

1140

15.0

3370

3.10

7780

6.4

882

15.5

3360

3.15

5390

6.5

758

16.0

3320

3.20

3630

6.6

678

16.5

3260

3.25

2360

6.7

632

17.0

3170

3.30

1400

6.8

604

17.5

3060

3.35

979

6.9

579

18.0

2970

3.40

720

7.0

575

18.5

2860

© 2003 by CRC Press LLC