16 hr Laboratory Air Sample with radiello 165

	Peaks	t_R (min)
1.	Formaldehyde-DNPH	2.80
2.	Acetaldehyde-DNPH	3.47
3.	Acetone-DNPH	4.55
4.	n-Butyraldehyde-DNPH	6.58
5.	Hexanal-DNPH	10.10

LC_GN0531

Column

Raptor C18 (cat.# 9304A65)

Dimensions:

150 mm x 4.6 mm ID

Particle Size:

2.7 µm

Pore Size:

90 Å

Temp.:

30 °C

Sample

Laboratory Air Sample

Diluent:

2 mL Acetonitrile Extract

Inj. Vol.:

5 µL

Mobile Phase

Water

Methanol:Acetonitrile (650:50)*

Time (min)	Flow (mL/min)	%A	%B
0.00	0.8	30	70
5.00	0.8	25	75
11.00	0.8	10	90
11.01	0.8	0	100
12.00	0.8	0	100
12.01	0.8	30	70
14.00	0.8	30	70

Detector

UV/Vis @ 365, 4.8 nm

Preconcentrator

radiello 165

Instrument

Waters ACQUITY UPLC H-Class

Notes

*Mobile phase B was prepared by combining 650 mL methanol and 50 mL acetonitrile.

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16 hr Laboratory Air Sample with radiello 165

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