Measurement of Surface Damage through Boundary Detection: An Approach to Assess Durability of Cementitious Composites under Tannery Wastewater

Table 1

Mass % of different elements in OPC cement sample.

Analyte	Mass %
CaO	65.98
SiO2	16.83
Al2O3	7.02
Fe2O3	3.03
MgO	3.11
SO3	2.67
Na2O	0.18
K2O	0.44
TiO2	0.38
P2O5	0.14
MnO	0.097
Cr2O3	0.023
SrO	0.059
ZnO	0.051
Cl	0.00