The Effect of Molar Ratios of Ti/Si on Core-Shell SiO₂@TiO₂ Nanoparticles for Photocatalytic Applications

Table 2

Isoelectric point analysis of (IEP) and apparent surface coverage (ASC).

Sample	IEP (pH)	ASC (%)
TiO2	5.29	/
	4.60	74.3
	4.72	79.1
	4.78	81.4
	4.88	85.3
	4.45	68.2
	3.86	41.4
	3.76	36.5
SiO2	3.10	/