90.93 Standard confirmed May 7, 2026
CEN
CEN/TC 346 Conservation of Cultural Heritage
European Norm
97.195 Items of art and handicrafts. Cultural property and heritage
This European Standard provides a methodology for the qualitative and quantitative analysis of anions and cations obtained by dissolution of soluble salts present in either natural stone or other porous inorganic materials constituting cultural heritage and in materials and products used for their restoration. The methodology requires samples to have been taken from the cultural property.
The main ions considered in this standard are:
Cl-, NO2-, NO3-, SO42 -, Na+, K+, NH4+, Ca2+, Mg2+
PUBLISHED
EN 16455:2014
90.93
Standard confirmed
May 7, 2026