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Heritage Science

Table 4 Number of pigments identified using different excitation wavelengths

From: Identifying eighteenth century pigments at the Bodleian library using in situ Raman spectroscopy, XRF and hyperspectral imaging

Excitation wavelength (nm)

Pigments identified unequivocally

Pigments identified with weak peaks or peaks obscured by fluorescence

488

13

21

532

19

25

633

17

26

785

12

19

830

18

32

1064

10

15

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