The anoxia is a natural insecticidal treatment without toxic products by hardship of oxygen (worm-eaten golden wood, books, paintings, musical instruments).
The purpose consists has to eliminate quite activity of xylophagous insects (some egg in the final insect) in the handled object by isolating that this in a pocket containing absorbers of oxygen. A railing of calculation determines the duration of the treatment according to the size of the pocket.
The percentage of oxygen is regularly checked with an oximeter to guarantee an optimal treatment. All of the xylophagous insects, larvas and eggs are eradicated.
Numerous museums trust in this process which showed its ability for more than 20 years.