EPA Method 8061A Phthalates on Rtx-440

Peaks
1.Dimethyl phthalate
2.Diethyl phthalate
3.Benzyl benzoate (IS)
4.Diisobutyl phthalate
5.Di-n-butyl phthalate
6.Bis(2-methoxyethyl) phthalate
7.Bis[4-methyl-2-pentyl] phthalate isomer 1
8.Bis[4-methyl-2-pentyl] phthalate isomer 2
Peaks
9.Bis(2-ethoxyethyl) phthalate
10.Dipentyl phthalate
11.Di-n-hexyl phthalate
12.Benzyl butyl phthalate
13.Bis(2-n-butoxyethyl) phthalate
14.Bis(2-ethylhexyl) phthalate
15.Dicyclohexyl phthalate
16.Di-n-octyl phthalate
17.Dinonyl phthalate
image
GC_EV1406
ColumnRtx-440, 30 m, 0.25 mm ID, 0.25 µm (cat.# 12923)
SampleEPA Method 8061A phthalate esters mixture (cat.# 33227)
Benzyl benzoate (cat.# 31847)
Diluent:Methylene chloride
Conc.:80 µg/mL EPA 8061A phthalates (20 μg/mL internal standard)
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
Oven
Oven Temp.:150 °C (hold 1 min) to 300 °C at 20 °C/min (hold 5 min)
Carrier GasHe, constant linear velocity
Linear Velocity:50 cm/sec, 22.9 psi, 157.9 kPa @ 150 °C
DetectorMS
Mode:Scan
Scan Program:
GroupStart Time
(min)
Scan Range
(amu)
Scan Rate
(scans/sec)
1250-500-
Transfer Line Temp.:300 °C
Analyzer Type:Quadrupole
Source Temp.:280 °C
Electron Energy:70 eV
Solvent Delay Time:2 min
Tune Type:PFTBA
Ionization Mode:EI
InstrumentShimadzu 2010 GC & QP2010+ MS
NotesThe linear velocity is 50 cm/sec, which is approximately 1.75 mL/min at 150 °C.
The MS scan interval is 0.1 sec.
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Phthalates

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Rtx-440

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