Calcium Hydroxide Nanoparticles and Hypogeum Environment: Test to Understand the Best Way of Application
Figure 4
Sample 6741 (in catacombs), low pressure absorption, Italian standards UNI NORMAL 44-93. n_t: absorption before the treatments, trat1 = 1 : 15, trat2 = 1 : 10, and trat3 = 1 : 5 ().
