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Heritage Science

Table 2 Reproducibility of the measurements of infrared spectrum of the first layer of the samples

From: Methodology for infrared spectroscopy analysis of sandwich multilayer samples of historical materials

Sample name

Average variance% (SD)

Sample KBr

1.52 ± 1.07

Sample D

5.76 ± 3.89

Sample DC

1.73 ± 1.53

Sample DCt

2.31 ± 0.93

Sample P

4.87 ± 3.00

Sample PC

5.40 ± 3.66

Sample PCt

8.19 ± 4.30

Sample PS

7.66 ± 3.62

Sample PH

7.23 ± 3.33

Sample P-C

7.03 ± 3.67

Sample P-Au

2.01 ± 0.92

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