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Table 3 Composition of salt lake waters (brines)

From: From freshwater inflows to salt lakes and salt deposits in the Qaidam Basin, W China

 

QD1

QD2

QD3

QD4

QD5

QD6

QD12

QD13

QD17

QD18

QD19

QD22

QD23

QD29

Temp (°C)

16.1

26.4

 

21.3

15.5

31.5

21.1

27.2

29

21

 

21.5

18.4

17.5

pH

8.96

7.08

6.32

6.42

7.41

2.7

6.8

7.2

8.28

7.31

6.81

5.63

8.36

7.88

Density (g/ml)

1.0272

1.1086

1.2108

1.2068

1.2480

1.3167

 

1.2147

1.1098

1.2176

1.2025

1.2912

1.1030

1.1255

Ca

72.5

3638

4179

6211

172

66,580

145

211

298

412

1577

151

354

177

Mg

1958

1617

696

2170

11,570

16,070

29,090

25,130

2173

9912

36,380

73,320

2249

8109

Na

8313

95,810

96,210

93,760

83,980

9792

58,880

51,680

51,020

84,940

36,840

4686

41,700

57,920

K

461

690

969

626

2929

19,170

4003

3460

1419

3976

3571

5532

623

2753

Sr

20.84

82.4

115.3

132.3

15.97

4611

3.47

3.06

8.34

21.5

36.4

8.21

6.8

9.63

Li

1.07

10.05

19.22

13.42

11.8

1055

22.03

23.9

54.3

80.58

71.79

178.3

5.57

67.33

HCO3

6.102

1220.4

9153

9153

9153

6.102

12,204

12,204

6102

4271.4

3051

6.102

6.102

6.102

SO4

11,895

1414

1224

1053

37,237

73

40,465

47,440

6076

13,276

2710

5787

22,559

15,621

Cl

10,398

157,086

154,144

155,407

132,375

220,944

141,302

112,846

78,535

152,221

168,879

225,620

55,356

103,954

F

9.79

   

9.19

        

13.1

Br

4.39

69.2

65.4

145

18.3

244

30.7

25.7

4.96

8.36

17

24.6

16.1

44.2

J

 

23.8

23.7

40.7

 

33.7

        

NO3

 

11.6

  

103

   

6.76

22.7

36.9

50.2

  

SiO2

    

10.3

   

6.6

   

1.3

8.7

HBO2

101

1125

1388

2139

851

12,788

432

327

312

519

396

692

781

1500

TDS

33,241

262,797

268,187

270,850

278,436

351,367

286,577

253,351

146,016

269,661

253,566

316,055

123,658

190,183

Cl/Br (mass)

2369

2270

2357

1072

7234

906

4603

4391

15,834

18,208

9934

9172

3438

2352

Na/Cl (mol)

1.23

0.94

0.96

0.93

0.98

0.07

0.64

0.71

1.00

0.86

0.34

0.03

1.16

0.86

Ca/SO4 (mol)

0.0146

6.1658

8.1822

14.1355

0.0111

2186

0.0086

0.0107

0.1175

0.0744

1.3946

0.0625

0.0376

0.0272

log mSiO2

    

− 3.77

   

− 3.96

   

− 4.66

− 3.84

  1. Sampling localities given on Table 1 and Fig. 2
  2. Blank values indicate concentration below detection limit after dilution of the sample for analysis. Solute concentrations in mg/kg