Calcium Hydroxide Nanoparticles and Hypogeum Environment: Test to Understand the Best Way of Application
Figure 3
Sample 6721 (in laboratory), low-pressure absorption, Italian standards UNI NORMAL 44-93. N_trat: absorption before the treatment, trat1 = 1 : 15, trat2 = 1 : 10, and trat3 = 1 : 5 .
