Table 2.

T₁ values of model P compounds added to soil extracts with a paramagnetic ion concentration of 20, 50, and 100 mg L⁻¹

Paramagnetic ion concentration (mg L−1)	T1 (s)
	Orthophosphate	Pyrophosphate	Phytic acid	Deoxyribonucleic acid
20	3.39	2.78	0.07	0.63
50	2.80	2.45	0.07	0.62
100	1.29	1.26	0.14	0.69