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Table 2 The results of elemental microanalysis (EDX) of cross-sections of the studied samples (with the exception of carbon and oxygen. in at.%)

From: A study of “The Portrait of F.P. Makerovsky in a Masquerade Costume” by Dmitry Levitsky from the collection of the State Tretyakov Gallery

Layer

Na

Mg

Al

Si

P

S

Cl

K

Ca

Ti

Mn

Fe

Cu

Sn

As

Sb

Pb

Sample 1

 Green

  

7.700

36.884

   

3.777

7.880

  

6.414

    

37.345

 Brown

  

10.861

     

12.799

0.821

 

10.669

    

64.851

 Light ground

  

5.867

     

12.336

0.200

 

4.227

    

77.369

 Dark ground

1.348

 

19.174

47.291

  

0.445

2.799

4.479

1.438

 

19.012

  

0.367

 

3.648

Inclusions (sample 1)

 Green

  

7.463

17.347

   

2.704

29.095

0.767

 

6.047

    

36.576

 Light ground

         

0.200

      

99.800

 Dark ground

        

99.881

0.119

       
   

3.048

     

0.250

 

5.269

    

91.433

   

99.997

     

0.003

       

Sample 2

 Green

5.010

2.280

17.071

36.539

   

5.718

3.095

  

12.739

0.031

   

14.897

 Dark grey + light grey

  

12.504

26.752

   

4.112

7.134

  

12.376

    

37.121

 Ground

1.482

1.406

24.626

54.306

   

2.506

0.591

0.813

 

11.830

  

0.072

 

2.368

Inclusions (sample 2)

 Green

  

5.041

70.004

   

5.137

2.541

  

3.927

   

3.820

9.530

  

20.326

36.021

   

9.549

3.232

  

11.538

    

19.335

 Dark grey + light grey

  

11.264

18.973

    

9.209

  

13.755

  

0.004

 

46.795

 Ground

  

19.183

47.844

   

2.326

0.715

13.393

 

14.696

    

1.843

  

27.711

50.804

   

2.389

0.629

0.989

 

14.088

    

3.392

   

99.671

       

0.329

     

Sample 3

 Green

  

7.692

27.692

    

6.154

 

3.077

20.000

    

35.385

 Brown

 

1.832

5.846

25.305

2.007

  

1.396

7.766

 

5.236

47.033

    

3.578

 Light inter-layer in the ground

  

24.469

53.761

   

2.522

1.195

0.575

 

15.044

  

0.265

 

2.168

 Ground

  

28.303

48.779

   

2.630

1.064

0.751

 

15.466

  

0.564

 

2.442

Inclusions (sample 3)

 Green

    

6.894

        

85.356

  

7.750

 Brown

   

9.060

    

5.522

 

9.146

72.821

    

3.451

        

96.715

  

3.285

     
  

1.789

84.102

    

0.929

 

1.239

10.943

    

0.998

 Ground

   

99.471

       

0.529

     
  

24.068

56.170

   

1.920

0.515

  

12.791

  

0.375

 

4.160

Sample 4

 Brown

1.398

 

10.208

24.160

10.124

 

0.709

0.653

14.044

  

28.315

  

2.886

 

7.547

 Ground

1.436

 

24.846

51.625

   

2.850

1.164

0.837

 

15.102

  

0.131

 

1.617

Inclusions (sample 4)

 Brown

   

89.988

0.526

   

1.190

  

7.620

  

0.244

 

0.432

  

1.119

2.867

    

93.846

  

2.168

     

3.430

2.844

1.806

3.740

30.462

 

1.828

 

39.866

  

8.234

  

0.645

 

7.145

 Ground

0.438

0.444

3.074

92.982

 

0.401

0.182

0.328

0.217

0.417

 

1.516

     
  

13.527

18.708

2.993

  

0.587

   

64.185

     
  

12.656

22.821

3.070

  

1.390

3.649

24.645

 

28.468

    

2.346

  1. The numbers in italics refer to elements whose content is more than 15%