Thecotrichite

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Description

An efflorescent salt found on excavated limestones that have been stored or displayed in the presence of Acetic acid vapor. Thecotrichite is composed of calcium acetate nitrate chloride hydrate (Gibson 1998). It is only formed under very specific conditions in which a calcareous stone that contains chloride and nitrate ions is put in an environment with acetic acid vapors and moisture. Mitigation involves any or all of the following: 1) desalination, 2) decreasing relative humidity, or 3) elimination of acetic acid vapors.

Synonyms and Related Terms

calcium acetate nitrate chloride hydrate

Additional Information

L.T.Gibson, "Standardization: Is It Essential?", in presentation abstracts for Indoor Air Pollution: Detection and Mitigation of Carbonyls meeting held in Glasgow on June 17-18, 1998.

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