HxCDFs Isomers
-----------------0
~TM
5-MS ;
ultra-Iovv bleeding column
100
meets and farexceeds the
EPAmethod 8280 resolution criteria
26.51
3:Voltage SIR15Channels
EI+
373.8208
7.68e6
meoe
Column:
MEGA-5MSXii -'ff.15mm, 0.1Ollm, 30m
CatalogCode:MS-5XIL-015-0I0-30
Retention Gap:
DPTMDS0.25mm, 2.5m
CatalogCode:RETG-DPTMDS-025-2-5
12
• ?Il
t
25.42- 1,2,3,4,7,8 - HxCDF
25.61 - 1,2,3,6,7,8 - HxCDF
Connector:
Press-Fit Union
CatalogCode:PFITUN-O15-025-1
Conditions
24.00
RT-070212-10
100 23.68
24.50
25.00
26.00
26.50
26.59
27.00
27.50
27.78
27.7~1
28.00
28.50
29.00
29.50
3:Voltage SIR15Channels
EI+
373.8208
3.30e7
OvenProgram: 160°C,10oOmin,190°C,2.5°0min, 255°C,
4°0min, 310°C.
CarrierGas: Heliumpressure programmed from
400kPa to 526kPa
@
3kPalmin.
Injector:directdeactivated glass liner, heated
@
260°C.
23.68 - 1,2,3,4,6,8 - HxCDF
25.42 - 1,2,3,4,7,8 - HxCDF
25.61 - 1,2,3,6,7,8 - HxCDF
26.5 I - 1,2,3,6,8,9 - HxCDF
26.59 - 2,3,4,6,7,8 - HxCDF
27.73 - 1,2,3,7,8,9 - HxCDF
27.78 - 1,2,3,4,8,9 - HxCDF
Sample
AllTCDFspresents inWellingtonLaboratories capillary column
performance testmixture (WellingtonLabs. catalog code:TDTFWD),
except
\.
v \...
25.50
26.00
\.
26.50
27.00
1,2,3,6,8,9 - HxCDF
(@
25pgluLinnonane)
fromCambridge IsotopeLabs.
Acknowledgement:
Dr.Paul H.Peterman,U.S.Geological Survey,
ColumbiaEnvironmental Research Center,4200New Haven Road - Columbia- Missouri - 6520I U.5A.
HROIIII""" .J'#"I«::
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