Methoxy magnesium methyl carbonate

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Wei T'o® Deacidification Solution


A nonaqueous solution used for the deacidification of paper.

Synonyms and Related Terms

methoxy magnesium methyl carbonate; MMC; MMMC; methyl magnesium carbonate; Wei T'o solution; Stile’s reagent


Physical and Chemical Properties

pH in methanol is about 8.5

Composition 3CH3OMgOCO2CH3.-CO2

Resources and Citations

  • S.Hackney, J.Townsend, N.Wyplosz "Studies on the Deacidification of Canvas Supports with MMC" ICOM Edinburgh 1996 p 271-275
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
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