Table 2 The results of the elemental composition of the plaster base of sample No 1 by the XRD method
No zone | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
Element (Wt %) | |||||||
C | 18, 14 | 26, 03 | 23, 04 | 23, 5 | 28, 09 | 25, 09 | 25, 91 |
O | 49, 85 | 44, 82 | 46, 38 | 46, 3 | 43, 78 | 45, 04 | 44, 03 |
Na | 0, 21 | 0, 24 | 0, 2 | 0, 13 | 0, 1 | 0, 21 | 0, 8 |
Mg | 1, 06 | 1, 33 | 0, 87 | 1, 17 | 3, 27 | 1, 46 | 1, 44 |
Al | 0, 63 | 0, 46 | 0, 23 | 0, 47 | 1, 17 | 0, 78 | 0, 77 |
Si | 1, 78 | 1, 87 | 0, 62 | 1, 42 | 5, 26 | 2, 13 | 2, 2 |
P | 0, 54 | 0, 29 | 0, 34 | 0, 27 | 0, 25 | 0, 28 | 0, 28 |
S | 0, 13 | 0, 12 | 0, 11 | 0, 08 | 0, 05 | 0, 06 | 0, 42 |
Cl | 0, 14 | 0, 16 | 0, 14 | 0, 17 | 0, 1 | 0, 09 | 0, 1 |
K | 0, 15 | 0, 14 | 0, 09 | 0, 13 | 0, 13 | 0, 11 | 0, 12 |
Ca | 21, 35 | 23, 75 | 27, 7 | 25, 9 | 15, 68 | 23, 68 | 23, 12 |
Ti | 0, 22 | 0, 08 | 0, 02 | 0, 04 | 0, 07 | 0 | 0, 24 |
Mn | 2, 93 | 0, 12 | 0, 03 | 0, 06 | 0, 02 | 0, 04 | 0, 04 |
Fe | 2, 88 | 0, 57 | 0, 23 | 0, 39 | 2, 03 | 0, 52 | 0, 51 |