Effect of Sulphate and Chloride Ingress on Selected Cements Mortar Prisms Immersed in Seawater and Leather Industry Effluent

Table 1

Results for chemical analysis of the test cements in percent by mass.

Oxide (%)	Sample
	A	B	C
SiO2	21.721 ± 0.1655	20.786 ± 0.2257	20.078 ± 0.3202
CaO	64.956 ± 0.0524	62.400 ± 0.2212	60.221 ± 0.3129
Al2O3	3.624 ± 0.0690	3.9020 ± 0.1096	3.0290 ± 0.0189
Fe2O3	3.163 ± 0.0675	2.6000 ± 0.0236	2.8510 ± 0.0538
Na2O	0.288 ± 0.0055	0.2660 ± 0.0038	0.3620 ± 0.0009
K2O	0.566 ± 0.0001	0.5710 ± 0.0029	0.5280 ± 0.0034
MgO	0.751 ± 0.0001	0.8710 ± 0.0008	0.9860 ± 0.0041
SO3	3.443 ± 0.0132	3.4420 ± 0.0167	3.4160 ± 0.0020
Cl^−	0.030 ± 0.0010	0.0210 ± 0.0010	0.0370 ± 0.0010