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Heritage Science

Table 2 RIR semi-quantification of the four XRD patterns

From: Poisonous books: analyses of four sixteenth and seventeenth century book bindings covered with arsenic rich green paint

Minerals

KLR-11920 (%)

KLR-11971 (%)

KLR-11972 (%)

KLR12019 (%)

SiO2—quartz

20

38

17

27

As2S3—orpiment

69

32

75

61

CaCO3—calcite

11

30

8

12

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