Properties of Raw Saudi Arabian Grey Kaolin Studied by Pyrrole Adsorption and Catalytic Conversion of Methylbutynol

Table 2

Chemical composition of analyzed Saudi grey clay.

Material	Chemical composition of grey kaolinite (KSA), wt.%
	Current results	Reference [10]
SiO2	52.90	53.77
Al2O3	14.84	15.84
Fe2O3	10.2	9.01
TiO2	0.98	0.93
MnO	0.15	0.15
MgO	2.36	2.47
CaO	1.3	1.08
Na2O	0.74	0.68
K2O	1.45	1.82
P2O5	0.32	0.34
SO3	0.1	0.08
K2O	1.93	1.82
Cl	0.12	0.14
LOI	12.51	12.50
Total	99.89	99.81