A Comparative Study of AlCl₃ and FeCl₂-Modified TiCl₄/MgCl₂/THF Catalytic System in the Presence of Hydrogen for Ethylene Polymerization

Table 2

The elemental composition of the prepared catalysts.

Catalyst	ICP measurement				EDX measurement
	Element content (% wt)			Ti/Mg; (mol/mol)	Element content (% wt)			Ti/Mg; (mol/mol)
	Ti	Mg	M		Ti	Mg	M
None-THF	4.07	6.87	—	0.30	6.52	24.32	—	0.14
Al-THF	2.96	6.51	0.97	0.23	9.56	24.50	2.65	0.20
Fe-THF	4.61	5.87	1.58	0.40	9.27	19.08	11.79	0.25

Determined by ICP.
M = Al or Fe.
Determined by EDX.