TABLE 1.
Surface elemental composition of the treatment stone types obtained from SEM/EDX.
| Substratum | Ca (%) |
C (%) |
Al (%) |
Si (%) |
O (%) |
Fe (%) |
Mg (%) |
Na (%) |
K (%) |
Ti (%) |
Ni (%) |
Co (%) |
S (%) |
| LIMESTN | 41.62 (1.27) | 13.06 (0.68) | 45.18 (0.57) | 0.02 (0.05) | 0.10 (0.14) | ||||||||
| MARBLE | 21.52 (1.25) | 17.18 (0.38) | 0.04 (0.09) | 49.56 (1.04) | 11.5 (0.45) | 0.12 (0.08) | |||||||
| SANDSP | 0.32 (0.05) | 8.96 (0.37) | 3.28 (0.26) | 35.06 (0.65) | 48.32 (0.65) | 0.56 (0.06) | 0.30 (0.10) | 0.04 (0.06) | 3.08 (0.34) | 0.06 (0.13) | |||
| SANDSV | 1.38 (0.08) | 8.28 (0.85) | 6.62 (0.23) | 24.00 (0.50) | 45.02 (0.91) | 5.66 (0.23) | 3.64 (0.39) | 3.48 (0.19) | 1.58 (0.18) | 0.28 (0.05) | 0.04 (0.06) | 0.02 (0.05) | |
| GRANITE | 6.72 (1.08) | 9.90 (1.59) | 10.26 (1.35) | 22.42 (2.31) | 37.76 (4.13) | 7.82 (5.43) | 1.72 (1.42) | 1.88 (0.37) | 0.40 (0.24) | 0.62 (1.39) | 0.10 (0.14) | 0.06 (0.06) | 0.06 (0.06) |
| CONCRO | 14.2 (5.44) | 10.7 (3.18) | 1.4 (0.07) | 20.6 (8.49) | 51.4 (5.73) | 0.7 (0.21) | 0.3 (0.11) | 0.2 (0.07) | 0.4 (0.28) | ||||
| CONCTR | 33.16 (1.11) | 13.46 (1.63) | 0.82 (0.18) | 3.38 (1.94) | 45.05 (3.62) | 0.72 (0.04) | 0.74 (0.42) | 0.22 (0.20) | 0.42 (0.33) | 0.03 (0.06) | 0.2 (0.28) | ||
| CONCTN | 25.47 (0.80) | 20.30 (2.31) | 0.90 (0.26) | 1.7 (0.3) | 48.67 (2.84) | 0.63 (0.25) | 0.73 (0.38) | 0.27 (0.12) | 0.23 (0.15) | 0.10 (0.01) | 0.3 (0.1) |
Each element has been listed as the w/w percentage fraction of the sum of the detected elements. Abbreviations are used in subsequent tables and figures to indicate each stone type. Values presented indicate the measured mean with standard deviations in parentheses.