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GC
TN-2016
How to Convert from Packed to Capillary GC Columns!
Sky Countryman, GC Product Manager
Phenomenex Inc., Torrance, CA, USA
If you’re still wondering why you should convert to a high efficiency capillary GC system, consider these three reasons:
1
EASY . . .
Takes less than 30min!
2
AFFORDABLE . . .
Costs less than $100
3
See how simple it is!
Packed Inlet
Capillary Inlet*
Packed Detector
Capillary Detector*
* Parts necessary for capillary conversion are those shown in orange. Conversions kits are available for all major GC brands.
BETTER RESULTS . . .
Faster, better resolution, improved results.
GC
TN-2016
Benefits of Capillary Vs. Packed Columns
1. Better Resolution:
- Packed GC ~ 1,800-3,600 plates/column
- Capillary GC ~58,500 - 234,000 plates/column
2. Faster Analysis
3. Lower Bleed
4. Better Reproducibility
2meter x 2mm ID Glass Packed Column
30 meter x 0.25mm ID x 0.25µm Capillary ColumnAPP ID 15785
1
3
9
2
6
7
9
10
16 compounds
in 34 min
10
19
8
4
1
7
4
5
2
6
11
23
24
21
17 18
20
15
12 14
16
22
13
24 compounds
in 18 min!
35
11
8
12
13
22
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
26
30
34 min
α -BHC
γ -BHC
β -BHC
Heptachlor
δ -BHC
Aldrin
Heptachlorepoxide
Endosulfan I
Dieldrin/4,4’-DDE
Endrin
Endosulfan II/4,4’-DDD
4,4’-DDT
Endosulfan sulfate/Endrin aldehyde
4
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
6
8
10
1-Bromo-2-Nitrobenzene (IS)
Tetrachlorometaxylene (surr)
α -BHC
Pentachloronitrobenzene (surr)
γ -BHC
β -BHC
Heptachlor
δ -BHC
Aldrin
Heptachlor Epoxide
γ -Chlordane
α -Chlordane
12
14
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
16
18
min
Endosulfan I
DDE
Dieldrin
Endrin
DDD
Endosulfan II
DDT
Endrin Aldehyde
Endosulfan Sulfate
Methoxychlor
Endrin Ketone
Decachlorobiphenyl (IS)
3716_L
For more information about the benefits of using capillary GC columns or
to find out what you need to convert your system to use capillary columns,
please contact your local Phenomenex representative.
For a digital copy of this Technical Note, please visit www.Phenomenex.com/TechNotes/2016
Copyright © 2005 Phenomenex Inc. All rights reserved. Phenomenex is a reistered trademark.
Copying or re-use of this information is not allowed without written permissions from Phenomenex.