Colcothar of vitriol

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Common name for Ferrous sulfate prior to the 1800s when chemical compound names were standardized (Schur 1985). During the same period, it was also called red oxide of Iron by Sulfuric acid.

Synonyms and Related Terms

ferrous sulfate; iron sulfate

Additional Information

S. Schur, "Conservation Terminology: A Review of Past & Current Nomenclature of Materials", Technology and Conservation, 1985.

Sources Checked for Data in Record

  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

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