Use of the Relaxometry Technique for Quantification of Paramagnetic Ions in Aqueous Solutions and a Comparison with Other Analytical Methods

Table 3

Comparison between the LOQs for atomic absorption spectroscopy and relaxometry [10].

Element	AAS	Relaxometry Spinlock
	LOQ (mol L^−1)	LOQ (mol L^−1)
Ni
Cu
Cr
Mn

Values determined for the respective wavelengths: 232; 324.7; 537.9; and 279.5 nm for Ni, Cu, Cr, and Mn, respectively [10].