Authors
MR Nikudel, A Jamshidi, N Hafezi Moghaddas
Publication date
2011/8/23
Journal
Scientific Quarterly Journal of Geosciences
Volume
20
Issue
80
Pages
135-142
Publisher
Geological Survey of Iran
Description
Acid rain is one of problems due to air pollution. In areas with polluted atmosphere, SO4 and NO3 are among most important contaminator, which constitutes sulfuric and nitric acids solutions, as a result of combining with hydrogen ions. Also, these solutions are among important agents in building stones dissolution and deterioration. Regarding the involved acid and its pH, these solutions have different effects on stones. In this research, we selected 14 building stones samples of different origins. Then, in order to investigate their dissolution and deterioration and, also comparing sulfuric and nitric acids dissolving effect, we performed Durability Test up to 15 cycles, and calculated Durability Index on mentioned solutions - with pH = 1.5, 3, and 5, and also fresh water with pH = 7.3. The results show that the samples with non-carbonate composition are resistant against those acids, while the carbonate ones are not …
Total citations
202220232024332
Scholar articles
MR Nikudel, A Jamshidi, N Hafezi Moghaddas - Scientific Quarterly Journal of Geosciences, 2011