University of Delaware: Arsenic and Old Books

University of Delaware: Arsenic And Old Books. “Emerald green, sometimes called Paris green or Schweinfurt green, is a pigment containing copper acetoarsenite, and its use in America and England during the Victorian era is well documented. Given the toxic elements’ ubiquity in everyday objects, some library conservationists wondered if Victorian bookcloth could also contain poisons, but they lacked the resources and equipment to test for toxic elements…. For help, they turned to UD’s College of Agriculture and Natural Resources’ Soil Testing Program.”

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