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Table 3 Proposed parameters based on the thermal data for the two carbonate loss substeps

From: Archaeometric classification of ancient human fossil bones, with particular attention to their carbonate content, using chemometrics, thermogravimetry and ICP emission

Sample number

Substep c(1)

Substep c(2)

c(1)/c(2)

c(2)/c(1)

c(1) + c(2)

1

1.5

0.4

3.75

0.267

1.9

2

1.7

0.3

5.67

0.176

2.0

3

1.4

0.3

4.67

0.214

1.7

4

1.6

0.4

4.00

0.250

2.0

5

1.5

0.0

0.000

1.5

6

1.1

0.0

0.000

1.1

7

1.4

0.0

0.000

1.4

8

1.5

0.4

3.75

0.267

1.9

9

1.4

0.0

0.000

1.4

10

1.6

0.4

4.00

0.250

2.0

11

2.0

0.0

0.000

2.0

12

2.6

1.0

2.60

0.385

3.6

13

2.1

0.0

0.000

2.1

14

0.0

1.5

0.00

1.5

15

3.1

0.8

3.87

0.258

3.9

16

3.5

1.2

2.92

0.343

4.7

17

3.5

1.0

3.50

0.286

4.5

18

3.0

0.8

3.75

0.267

3.8

19

3.3

0.8

4.12

0.242

4.1

20

2.8

0.0

0.000

2.8

21

2.7

0.4

6.75

0.148

3.1

22

3.6

1.5

2.40

0.417

5.1

23

2.7

0.9

3.00

0.333

3.6

  1. RSD% ≤ 1.5 for all % mass loss values.