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Poison Book ProjectArs Technica
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90% Informative
National Library of France removed four 19th century books from its shelves because the covers were likely laced with arsenic.
Chemists from Lipscomb University in Nashville , Tennessee , have also been studying Victorian books from that university's library collection.
They reported their initial findings this week at a meeting of the American Chemical Society in Denver .
The project lists several recommendations for safe handling and storage of such books.
In fact, they were surprised to find that the book covers contained far more lead than chromium, given that there are equal amounts of both in lead(II) chromate. Further research is needed, but the working hypothesis is that there may be other lead-based pigments—lead(II) oxide, perhaps, or lead(II) sulfide—in the dyes used on those covers..
VR Score
93
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94
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63
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English
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65
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