Parabens on Raptor C18

LC_PH0531

	Peaks	t_R (min)
1.	Methylparaben	0.73
2.	Ethylparaben	1.01
3.	Propylparaben	1.27
4.	Butylparaben	1.50

Column

Raptor C18 (cat.# 9304512)

Dimensions:

100 mm x 2.1 mm ID

Particle Size:

5 µm

Temp.:

40 °C

Standard/Sample

Conc.:

100 µg/mL in water

Inj. Vol.:

1 µL

Mobile Phase

A:

Water

B:

Acetonitrile

Time (min)	Flow (mL/min)	%A	%B
0.00	1.0	80	20
2.00	1.0	20	80
2.01	1.0	80	20
3.50	1.0	80	20

Detector	PDA @ 254 nm
Instrument	UHPLC

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