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M
ASTOVSKA
ET AL
.:
J
OURNAL OF
AOAC I
NTERNATIONAL
V
OL
.
98, N
O
. 2, 2015
489
Table 2014.08G. GC conditions used by collaborative study participants
/DERUDWRU\ 1R
1
2
3
4
5
*& ,QVWUXPHQW
Thermo Trace GC Ultra
Agilent 6890N
Agilent 6890N
Agilent 6890
Agilent 7890A
Inlet type
379 7KHUPR 53
379 *HUVWHO &,6
6 6/ $JLOHQW
379 *HUVWHO &,6
0XOWL PRGH $JLOHQW
&ROXPQ W\SH
Thermo TR-50MS
5HVWHN 5[L
6LO 06
Agilent J&W DB-17MS
5HVWHN 5[L
6LO 06
5HVWHN 5[L
6LO 06
&ROXPQ GLPHQVLRQ
P î PP LG
P
P î PP LG
P
P î PP LG P
P î PP LG
P
P î PP LG P
Retention gap dimension
NA
NA
NA
P î PP LG
P
NA
5XQ WLPH PLQ
40
46
2YHQ WHPSHUDWXUH SURJUDP
& PLQ & PLQ WR &
& PLQ WR & PLQ
& PLQ & PLQ WR
220°C, 2°C/min to 240°C,
& PLQ WR & PLQ
& PLQ & PLQ WR &
& PLQ WR & PLQ
5°C/min to 320°C
& PLQ & PLQ WR &
PLQ & PLQ WR & PLQ
& PLQ & PLQ WR &
& PLQ WR & PLQ
+H ÀRZ SUHVVXUH SURJUDP
P/ PLQ FRQVWDQW ÀRZ
P/ PLQ FRQVWDQW ÀRZ
P/ PLQ FRQVWDQW ÀRZ
P/ PLQ PLQ
50 mL/min
2
to 2 mL/min
P/ PLQ FRQVWDQW ÀRZ
Injection mode
PTV solvent split
PTV solvent vent
3XOVHG VSOLWOHVV
379 VROYHQW YHQW VWRS ÀRZ
PTV solvent vent
,QMHFWLRQ YROXPH /
8
8
1
8
5
,QOHW WHPSHUDWXUH SURJUDP
& PLQ & V WR &
PLQ & V WR & PLQ
& PLQ & V WR &
320°C
& PLQ & PLQ WR & & PLQ & PLQ WR
& PLQ
Liner
Thermo, LVI Silcosteel, 2 mm id *HUVWHO &,6 GHDFWLYDWHG EDIÀHG
liner, 2 mm id
Restek, single-gooseneck splitless,
4 mm id
Gerstel, CIS4 deactivated
EDIÀHG OLQHU PP LG
Agilent, dimpled deactivated,
2 mm id
PTV solvent vent time
PLQ
138 s
NA
PLQ
PLQ
379 VROYHQW YHQW ÀRZ P/ PLQ
50
50
NA
100
50
379 VROYHQW YHQW SUHVVXUH SVL
NA
50
NA
5
3UHVVXUH SXOVH DQG GXUDWLRQ
NA
NA
SVL IRU
PLQ
NA
NA
6SOLW YHQW SXUJH ÀRZ DQG VWDUW
50 mL/min, 1 min
20 mL/min
50 mL/min, 1 min
P/ PLQ PLQ
P/ PLQ PLQ
*DV VDYHU ÀRZ DQG VWDUW WLPH
15 mL/min, 3 min
NA
15 mL/min, 6 min
30 mL/min, 3 min
NA
06 WUDQVIHU OLQH WHPSHUDWXUH &
250
280
280
280
300
6
7
8
9
10
*& LQVWUXPHQW
Agilent 7890
Agilent 7890
Agilent 6890N
Agilent 6890N
Agilent 6890N
Inlet type
6 6/ $JLOHQW
6 6/ $JLOHQW
6 6/ $JLOHQW
379 $SH[ 3UR6HS 3OXV
379 *HUVWHO &,6
&ROXPQ W\SH
5HVWHN 5[L
6LO 06
5HVWHN 5[L
6LO 06
Agilent J&W DB-EUPAH
3KHQRPHQH[ =%
Agilent J&W DB-EUPAH
&ROXPQ GLPHQVLRQ
P î PP LG P
P î PP LG P
P î PP LG P
P î PP LG
P
P î PP LG P
Retention gap dimension
P î PP
NA
NA
NA
NA
*& UXQ WLPH PLQ
2YHQ WHPSHUDWXUH SURJUDP
& PLQ & PLQ WR &
& PLQ WR & PLQ
80
°
& PLQ
°
C/min to 220
°
C,
2
°
C/min to 240
°
C, 5
°
C/min
to 300
°
& PLQ
°
C/min
to 350
°
& PLQ
& PLQ & PLQ WR &
& PLQ WR & & PLQ
to 310°C
& PLQ & PLQ WR &
PLQ & PLQ WR &
PLQ & PLQ WR &
PLQ 3RVW UXQ & PLQ
& PLQ & PLQ WR &
2°C/min to 240°C, 3°C/min
WR & & PLQ WR &
PLQ 3RVW UXQ & PLQ