Facile TEMPO Immobilization onto Poly(acrylic acid)-Modified Magnetic Nanoparticles: Preparation and Property

Table 1

Elemental analysis results and catalyst loading calculation.

Sample	C (wt%)	H (wt%)	N (wt%)	TEMPO loading
Bare Fe3O4	0	0	0	0
Si-Fe3O4	0	0	0	0
Vinyl-Fe3O4	0.2	0.01	0	0
PAA-Fe3O4	9.83	1.10	0	0
TEMPO-MNPs	32.2	3.55	3.51	2.5 mmol/g