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© 2015 AOAC INTERNATIONAL
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for less volatile PAHs.
Table
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of target PAHs and
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instruments, respectively.
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autotune to verify and obtain adequate operation of the instrument.
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continued
Laboratory No.
6
7
8
9
10
+H ÀRZ SUHVVXUH SURJUDP
1.5 mL/min (13 min),
10 mL/min
2
to 2 mL/min
P/ PLQ FRQVWDQW ÀRZ
P/ PLQ FRQVWDQW ÀRZ
1.3 mL/min (19.5 min),
50 mL/min
2
to 2 mL/min
P/ PLQ FRQVWDQW ÀRZ
Injection mode
Hot splitless
Hot splitless
Pulsed splitless
Splitless
PTV solvent vent
Injection volume, μL
1
1
1
10
5
Inlet temperature (program)
300
C
280
°
C
320°C
60°C (2.25 min), 300°C/min
to 335°C (45 min)
50°C (0.5 min), 600°C/min 400°C
(15 min), 30°C/min 70°C
Liner
SGE, Focus liner
Agilent, single taper, glass
wool-packed, 4 mm id
Agilent, double taper, 4 mm id
Apex, ProSep taper liner,
2 mm id
$JLOHQW 379 PXOWL EDIÀH
2 mm id
PTV solvent vent time
NA
NA
NA
NA
0.5 min
379 VROYHQW YHQW ÀRZ
NA
NA
NA
NA
100 mL/min
PTV solvent vent pressure
NA
NA
NA
NA
50 kPa
Pressure pulse and duration
NA
NA
50 psi for 0.2 min
NA
NA
6SOLW YHQW SXUJH ÀRZ DQG VWDUW
50 mL/min, 1 min
50 mL/min, 1 min
50 mL/min, 1 min
50.0 mL/min, 2.30 min
100 mL/min, 3 min
*DV VDYHU ÀRZ DQG VWDUW WLPH
20 mL/min, 3 min
20 mL/min, 2 min
15 mL/min, 6 min
NA
15 mL/min, 6 min
MS transfer line temperature, °C
300
280
320
300
325
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