Table 2.

Measured lifetimes ${}^a$, coefficients of determination (r${}^2$ ${}^b$) and uncertainties (3$\sigma$ ${}^c$) for the indicators in polystyrene.

[O2] (%)	IrTFPP-CO-Cl
	<$\mathit{\tau }$> ($\mathsf{\mu }$s)	r${}^2$	$\mathit{\tau }$ ($\mathsf{\mu }$s)	r${}^2$	3$\mathit{\sigma }$ (%)
0.00	102.8	0.9999	103.1	0.9997	0.36
1.01	77.19	0.9999	77.02	0.9997	0.38
5.01	42.27	0.9999	39.91	0.9995	0.57
9.99	27.46	0.9999	25.62	0.9991	0.72
16.00	19.91	0.9999	18.39	0.9989	0.87
18.51	17.89	0.9999	16.57	0.9988	0.94
21.00	16.35	0.9999	15.09	0.9988	1.04
[O${}_{\mathbf{2}}$] (%)	PdTFPP
	<$\mathit{\tau }$> ($\mathsf{\mu }$s)	r ${}^{\mathbf{2}}$	$\mathit{\tau }$ ( $\mathsf{\mu }$ s)	r ${}^{\mathbf{2}}$	3 $\mathit{\sigma }$ (%)
0.00	1042	0.9999	1038	0.9999	0.27
1.01	327.5	0.9999	293.4	0.9991	0.28
5.01	101.2	0.9999	79.83	0.9980	0.53
9.99	55.54	0.9999	42.70	0.9975	0.66
16.00	36.47	0.9998	28.52	0.9974	0.85
18.51	32.55	0.9998	25.15	0.9974	1.01
21.00	29.01	0.9998	22.75	0.9972	1.04

${}^a$: <$\tau$> and $\tau$ are phosphorescence lifetimes estimated from Equations (2) and (3), respectively; ${}^b$ coefficient of determination for the corresponding method; and ${}^c$ $\sigma$ is the standard deviation calculated from 100 measurements.