Table 5 Chemical composition germanium-indium drosses determined by WDS-EDS method.

From: Microscopic and quantitative characterization of germanium-indium bearing by-product from heavy metal metallurgy

Grain class, mm

 

S

Fe

Ni

Cu

Zn

Ga

Ge

As

Se

Ag

Cd

In

Sn

Sb

Pb

% mass.

2.0/2.5

Maximum concentration

0.096

50.815

4.994

73.025

1.960

0.259

77.563

54.894

0.528

74.190

0.377

60.837

95.922

4.515

95.584

Average concentration (63 pts)

0.010

6.078

0.504

19.477

0.096

0.017

7.101

16.275

0.027

5.904

0.056

5.697

22.04

0.466

14.639

Standard deviation

0.017

14.790

1.053

30.182

0.338

0.055

20.322

20.039

0.085

20.114

0.110

17.084

27.850

0.804

32.713

1.0/2.0

Maximum concentration

0.045

43.177

3.218

73.283

0.093

0.285

74.005

54.453

0.293

73.793

0.365

60.782

96.284

2.391

95.118

Average concentration (56 pts)

0.007

4.436

0.304

23.159

0.024

0.016

5.803

15.960

0.014

5.286

0.035

5.401

27.655

0.448

10.141

Standard deviation

0.010

12.682

0.708

31.646

0.029

0.058

16.141

18.550

0.046

19.104

0.085

16.682

29.909

0.629

26.854

0.5/1.0

Maximum concentration

0.064

43.175

3.902

72.311

0.104

0.258

79.520

53.016

0.537

73.191

0.383

61.265

95.393

2.797

97.515

Average concentration (57 pts)

0.008

5.804

0.399

17.672

0.021

0.018

6.948

13.356

0.034

3.852

0.059

5.400

26.367

0.433

17.815

Standard deviation

0.012

14.344

0.905

29.023

0.028

0.062

17.657

19.647

0.120

16.327

0.120

16.946

30.901

0.728

35.848

0.315/0.50

Maximum concentration

0.025

42.094

7.095

73.570

0.119

0.439

78.415

52.697

0.603

75.699

0.389

62.650

95.682

2.670

97.455

Average concentration (64 pts)

0.005

4.661

0.526

21.661

0.027

0.031

11.679

12.835

0.039

4.731

0.044

6.722

24.224

0.319

11.357

Standard deviation

0.006

12.868

1.195

30.835

0.033

0.094

21.834

18.697

0.108

18.351

0.097

18.679

28.926

0.584

29.177

0.160/0.315

Maximum concentration

0.039

41.538

3.179

71.463

0.090

0.207

44.851

61.065

0.334

41.66

0.385

34.579

95.248

2.559

98.090

Average concentration (57 pts)

0.004

2.727

0.201

13.445

0.046

0.008

6.748

5.640

0.017

1.225

0.124

4.899

29.305

0.164

33.199

Standard deviation

0.010

12.850

0.584

28.809

0.029

0.046

21.343

20.147

0.067

9.605

0.124

10.026

30.612

0.658

37.097

0.100/0.160

Maximum concentration

0.037

41.079

3.065

71.312

0.104

0.200

41.803

61.702

0.322

38.570

0.386

32.052

95.182

2.480

98.301

Average concentration (43 pts)

0.005

3.330

0.240

16.236

0.055

0.009

8.235

6.766

0.021

1.346

0.038

1.691

24.287

0.197

35.039

Standard deviation

0.009

12.753

0.552

28.644

0.017

0.045

20.650

20.221

0.066

8.704

0.126

9.355

30.754

0.653

37.682

0.071/0.100

Maximum concentration

0.036

40.901

3.021

71.254

0.075

0.195

40.624

61.953

0.318

37.374

0.386

31.074

95.157

2.450

98.383

Average concentration (30 pts)

0.004

2.696

0.193

13.105

0.044

0.008

6.660

5.442

0.017

1.038

0.031

1.325

29.776

0.159

34.566

Standard deviation

0.009

12.715

0.540

28.580

0.012

0.044

20.382

20.249

0.065

8.356

0.127

9.095

30.809

0.65

37.908

0.056/0.071

Maximum concentration

0.047

41.739

0.000

69.487

0.392

0.000

3.135

71.426

0.046

1.069

0.383

0.646

94.878

2.698

98.656

Average concentration (23 pts)

0.010

4.575

0.000

17.298

0.094

0.000

0.405

13.978

0.002

0.107

0.097

0.154

29.986

0.407

31.201

standard deviation

0.012

12.369

0.000

27.149

0.082

0.000

0.848

21.654

0.010

0.234

0.147

0.191

31.342

0.706

43.942

0.040/0.056

Maximum concentration

0.035

40.771

2.988

71.211

0.529

0.195

79.759

71.137

0.314

1.497

0.387

30.357

95.138

2.428

98.443

Average concentration (16 pts)

0.005

3.131

0.222

7.599

0.153

0.044

15.454

6.296

0.020

1.168

0.035

15.074

34.804

0.184

13.508

Standard deviation

0.009

12.688

0.530

28.534

0.008

0.044

10.186

20.270

0.065

0.101

0.127

0.905

30.850

0.649

38.074

0.00/0.040

maximum concentration

0.035

40.723

2.976

71.196

0.45

0.195

79.444

71.204

0.313

1.178

0.387

30.096

95.131

2.419

98.465

Average concentration (10 pts)

0.004

2.342

0.166

11.369

0.114

0.033

14.447

4.702

0.015

0.861

0.026

16.747

26.125

0.138

20.305

Standard deviation

0.009

12.678

0.527

28.517

0.007

0.044

10.114

20.278

0.065

0.001

0.127

0.836

30.864

0.648

38.134

Weighted arithmetic mean according to the share of grain classes

0.006

3.872

0.278

15.764

0.072

0.021

9.274

9.782

0.020

2.617

0.050

7.875

27.195

0.283

20.737

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