Phthalates (50 µg/mL) on Rtx-440 (Extended List, Full Scan Mode)

Peaks
1.Dimethyl phthalate
2.Dimethyl isophthalate
3.Diethyl phthalate
4.Benzyl benzoate
5.Diisobutyl phthalate
6.Di-n-butyl phthalate
7.Bis(2-methoxyethyl) phthalate
8.Bis[4-methyl-2-pentyl] phthalate isomer 1
9.Bis[4-methyl-2-pentyl] phthalate isomer 2
10.Bis(2-ethoxyethyl) phthalate
11.Di-n-pentyl phthalate
12.Butyl cyclohexyl phthalate
13.Butyl 2-ethylhexyl phthalate
14.Di-n-hexyl phthalate
15.Butyl octyl phthalate
16.Butyl benzyl phthalate
17.Hexyl-2-ethylhexyl phthalate
18.Butyl isodecyl phthalate
19.Bis(2-ethylhexyl)hexahydro phthalate
20.Bis(2-n-butoxyethyl) phthalate
Peaks
21.Dicyclohexyl phthalate
22.Bis(2-ethylhexyl) phthalate
23.Butyl-n-decyl phthalate
24.Diphenyl phthalate
25.Bis(4-methylcyclohexyl) phthalate isomer 1
26.Bis(4-methylcyclohexyl) phthalate isomer 2
27.Hexyl isodecyl phthalate
28.Benzyl 2-ethylhexyl phthalate
29.Bis(4-methylcyclohexyl) phthalate isomer 3
30.Bis(2-ethylhexyl) isophthalate
31.Bis(2-(ethoxyethoxy)ethyl) phthalate
32.Di-n-octyl phthalate
33.n-Hexyl decyl phthalate
34.Diphenyl isophthalate
35.Dibenzyl phthalate
36.Diisononyl phthalate
37.Di-n-octyl isophthalate
38.Diisodecyl phthalate
39.Dinonyl phthalate
40.n-Octyl n-decyl phthalate
image
GC_EV1407
ColumnRtx®-440, 30 m, 0.25 mm ID, 0.25 µm (cat.# 12923)
SamplePhthalate standards mixture
Benzyl benzoate (cat.# 31847)
Diluent:Methylene chloride
Conc.:50 µg/mL (80 μg/mL for internal standard benzyl benzoate)
Injection
Inj. Vol.:1 µL split (split ratio 20:1)
Liner:Premium 3.5 mm Precision® liner w/wool (cat.# 23320.1)
Inj. Temp.:280 °C
Split Vent Flow Rate:3 mL/min
Oven
Oven Temp.:150 °C (hold 0.8 min) to 200 °C at 5 °C/min to 275 °C at 3 °C/min (hold 2 min)
Carrier GasHe, constant linear velocity
Linear Velocity:48 cm/sec, 21.4 psi, 147.5 kPa @ 150 °C
DetectorMS
Mode:Scan
Scan Program:
GroupStart Time
(min)
Scan Range
(amu)
Scan Rate
(scans/sec)
12.559-400-
Transfer Line Temp.:300 °C
Analyzer Type:Quadrupole
Source Temp.:280 °C
Electron Energy:70 eV
Solvent Delay Time:2.5 min
Tune Type:PFTBA
Ionization Mode:EI
InstrumentShimadzu 2010 GC & QP2010+ MS
NotesThe constant linear velocity of 48 cm/sec is equivalent to approximately 1.61 mL/min at 150 °C. The MS scan interval is 0.1 sec.
AcknowledgementThe authors would like to thank Shimadzu Corporation for their consultation with the operation of the QP2010 Plus GC-MS instrument.
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selectivity

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Rtx-440

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GC-MS

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Phthalates

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