. 2022 Mar 17;14(3):218. doi: 10.3390/toxins14030218

Table 2.

Recovery percentages (% ± SD) for atropine (At) and scopolamine (Sc) in standard solutions using HMS and SBA-15 functionalized mesostructured silicas as dSPE or SPE sorbents.

Standard Solution (µg/mL)	Sorbent Amount (mg)	SBA-15-SO₃⁻				HMS-SO₃⁻
		dSPE ^a		SPE ^b		dSPE ^a		SPE ^b
		At ^c	Sc ^d	At ^c	Sc ^d	At ^c	Sc ^d	At ^c	Sc ^d
0.01	150	77 ± 7	85 ± 3	92 ± 1	118 ± 1	102 ± 11	101 ± 11	95 ± 6	99 ± 7
0.01	100	72 ± 1	70 ± 2	95 ± 1	116 ± 2	79 ± 4	74 ± 8	80 ± 3	99 ± 8
0.001	100	85 ± 2	70 ± 2	97 ± 1	91 ± 2	83 ± 9	82 ± 8	93 ± 2	104 ± 5

^a dSPE: dispersive solid phase extraction; for experimental conditions see Figure 3. ^b SPE: solid phase extraction; for experimental conditions see section Figure 3. ^c At: atropine, recovery ± SD (%). ^d Sc: scopolamine, recovery ± SD (%).