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Subject: Phosphene gas

Phosphene gas

From: Ercole Gialdi <>
Date: Saturday, June 21, 2003
Patricia Garland <patricia.garland [at] yale__edu> writes

>Does anyone know anything about phosphene gas? I know that it is
>used in the food industry, but I have a client who has some
>paintings down in Jamaica and someone there proposes using this gas
>as way to eradicate drywood termites.

The eradication of parasites from cultural heritage assets can be
performed though the application of several methods: the ones based
on chemicals are dangerous for human health, pollute the environment
and can produce severe alteration to the collections.

Physical methods are much more suitable; among these, the most
effective and easy to be applied is the Anoxia (few weeks of
exposition to low oxygen concentration will kill the 100% of any
specie of parasite; eggs and larvae included).

The VELOXY system allows the application of anoxia also by the
personnel of the conservation structure: see
<URL:> . It was developed and tested in the
frame of the EU project SAVE ART and it has been applied in a number
of museums, archives and libraries (see references)

Ing. Ercole Gialdi
R.G.I. Resource Group Integrator s.r.l.
16145 Genova; Viale N. Sauro
+39 10 3626002
Fax: +39 10 3626799

                  Conservation DistList Instance 17:4
                   Distributed: Monday, June 23, 2003
                        Message Id: cdl-17-4-016
Received on Saturday, 21 June, 2003

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