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73
GC COLUMNS |
APPLICATION-SPECIFIC COLUMNS
Environmental
Method
Compound
List
Column Pair
Analysis Time
(min)
Coelutions
Restek Advantage
8081B
Rtx-CLPesticides /
Rtx-CLPesticides2
7 / 7
0 / 0 • Increase sample throughput
with 7 min analyses and
baseline resolution.
Competitor A set
7 / 8
0 / 1
Competitor B set
10 / 9
0 / 0
8081B
(extended)
Rtx-CLPesticides /
Rtx-CLPesticides2
24 / 23
1 / 2 • Best balance of speed and
selectivity.
• All compounds are resolved on at
least one column.
Competitor A set
27 / 29
0 / 3
Competitor B set
NDP / 16
NDP / 3
8082A
Rtx-CLPesticides /
Rtx-CLPesticides2
7 / 7
n/a
• Fast PCB analysis times.
Competitor A set
6 / 7
n/a
Competitor B set
24 / 21
n/a
8151A
Rtx-CLPesticides /
Rtx-CLPesticides2
13 / 13
1 / 0 • More elution order changes
improve confidence in
confirmational results.
Competitor A set
13 / 13
0 / 0
Competitor B set
16 / 15
1 / 1
504.1
Rtx-CLPesticides /
Rtx-CLPesticides2
6 / 6
0 / 0 • Reliably separate analytes from
trihalomethane interferences.
Competitor A set
6 / 6
0 / 0
Competitor B set
NDP
NDP
505
Rtx-CLPesticides /
Rtx-CLPesticides2 18 / 18.5
1 / 1 • All compounds resolved on at
least one column.
Competitor A set
14 / 14
0 / 1
Competitor B set
35 / 36
1 /2
508.1
Rtx-CLPesticides /
Rtx-CLPesticides2 23.5 / 24
2 / 2 • Good balance of speed and
resolution.
Competitor A set
21 / 23
0 / 3
Competitor B set
18 / 17
2 / 4
552.2
Rtx-CLPesticides /
Rtx-CLPesticides2
12 / 12
0 / 0 • No coelutions—get accurate
results for compounds that
coelute on other columns.
Competitor A set
8 / 9
1 / 1
Competitor B set
NDP/10
NDP/1
Comparison based on published competitor data. All columns tested were 0.32 mm ID. NDP = no data published.
Organochlorine Pesticide Mix AB #2 on Rtx®-CLPesticides and Rtx®-CLPesticides2 (0.32 mm ID column set)
GC_EV00933A
GC_EV00933
0.32 mm ID column analysis
performed in less than 7 min.
Rtx®-CLPesticides
Rtx®-CLPesticides2
For conditions and peak list,
visit
www.restek.comand enter
GC_EV00933 in the search.
(Organochlorine
pesticides)
(Organochlorine
pesticides)
(Polychlorinated
biphenyls [PCBs],
Aroclors)
(Chlorinated
herbicides)
(EDB, DBCP, TCP)
(Organohalide
pesticides)
(Chlorinated
pesticides,
herbicides,
organohalides)
(Haloacetic acids,
dalapon)
did you know?
Analyzing dirty or
derivatized samples can
contaminate your column.
Restek does not recommend
analyzing trace-level
pesticide samples following
derivatized samples (e.g.,
Methods 8151A and 552.2)
without first performing
inlet maintenance. Standard
steps include trimming the
guard column and changing
the inlet liner, O-ring, seal,
and septum.
www.restek.com/ CLP7
For more
information go to
Howmuch time do column
changes cost you?
Switch to Rtx®-CLPesticides
columns and analyze pesti-
cides, herbicides, PCBs and
more on a single column set.