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•
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•
2007 vol. 3
Environmental
Figure 3
Resolve organochlorine pesticides in less than 5 minutes
using the Rtx
®
-CLPesticides columns and the MACH system.
Figure 2
Two column modules
in a Gerstel MACH column
heating system.
The MACH system
allows independent
temperature
programming of
up to two columns,
simultaneously.
Rtx
®
-CLPesticides Columns (fused silica)
ID df (µm)
temp. limits
length cat. #
price
0.18mm 0.18 -60 to 310/330°C 20-Meter 42102
$430
0.53mm 0.50 -60 to 300/320°C 30-Meter 11140
$565
Rtx
®
-CLPesticides2 Columns (fused silica)
ID df (µm)
temp. limits
length cat. #
price
0.18mm 0.14 -60 to 310/330°C 20-Meter 42302
$430
0.53mm 0.42 -60 to 300/320°C 30-Meter 11340
$565
aldrin
8µg/mL
α
-BHC
8
β
-BHC
8
δ
-BHC
8
γ
-BHC (lindane)
8
α
-chlordane
8
γ
-chlordane
8
4,4'-DDD
16
4,4'-DDE
16
4,4'-DDT
16
dieldrin
16
endosulfan I
8
endosulfan II
16
endosulfan sulfate
16
endrin
16
endrin aldehyde
16
endrin ketone
16
heptachlor
8
heptachlor epoxide (B)
8
methoxychlor
80
Organochlorine Pesticide Mix AB #2
(20 components)
In hexane:toluene (1:1), 1mL/ampul
cat. # 32292
(ea.) $38
decachlorobiphenyl
2,4,5,6-tetrachloro-
m
-xylene
Pesticide Surrogate Mix
200µg/mL each in acetone, 1mL/ampul
cat. # 32000
(ea.) $25
Resprep™ Florisil
®
SPE Cartridges: Normal Phase
*Teflon
®
frits **Glass tubes with Teflon
®
frits
3mL/500mg
6mL/500mg
6mL/1000mg
(50-pk.)
(30-pk.)
(30-pk.)
Florisil
®
(EPA SW 846 methods and CLP protocols)
24031
$95
—
—
24034
$85
24032*
$135
26086**
$185
26085**
$205
CarboPrep™ SPE Cartridges
Tube Volume,
Bed Weight
qty.
cat#
price
CarboPrep™ 90
3mL, 250mg
50-pk.
26091
$105
get
connected
See page 20-21 for our list of connectors and connector kits.
GC_EV00904
GC_EV00895
Sample: Organochlorine Pesticide Mix AB #2 (8-80µg/mL each component in hexane/toluene 1:1,
(cat.# 32292), Pesticide Surrogate Mix (200µg/mL each component in acetone, cat.# 32000)
Peak List
1. 2,4,5,6-tetrachloro-
m
-xylene (SS)
2.
α
-BHC
3.
γ
-BHC
4.
β
-BHC
5.
δ
-BHC
6. heptachlor
7. aldrin
8. heptachlor epoxide
9.
γ
-chlordane
10.
α
-chlordane
Column:
Rtx
®
-CLPesticides2,
20m, 0.18mm ID, 0.14µm (cat.# 42302)
Inj.:
1.0µL split (split ratio 20:1)
Column temp.: Gerstel Modular Accelerated Column Heater;
Gerstel module temp.: 140°C to 220°C (hold 1 min.)
@ 120°C/min., to 305°C @ 50°C/min., to 330°C @
300°C/min. (hold 2 min.)
Det.:
ECD
Column:
Rtx
®
-CLPesticides,
20m, 0.18mm ID, 0.18µm (cat.# 42102)
Inj.:
0.5µL split (split ratio 20:1)
Column temp.: Gerstel Modular Accelerated Column Heater:
150°C (10 sec.) to 190°C @ 300°C/min. (hold 0.5
min.), to 320°C @ 40°C/min (hold 2 min.)
Det.:
ECD
11. endosulfan I
12. 4,4'-DDE
13. dieldrin
14. endrin
15. 4,4'-DDD
16. endosulfan II
17. 4,4'-DDT
18. endrin aldehyde
19. endosulfan sulfate
20. methoxychlor
21. endrin ketone
22. decachlorobiphenyl (SS)
Primary and
confirmation
analyses in
<5min.!
sec.
sec.
thank
you
Instrument provided
courtesy of Gerstel USA.
www.gerstelus.com