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102030Min124673581091112131416151918,2120ApplicationReport27USEPAMethod8081ChlorinatedPesticidesonEquity-1701USEPAmethod8081describestheGC/ECDanalysisoforganochlorinepesticidesandrequirestheuseofaprimaryandconfirmationcolumn.
Inthisapplication,20compoundslistedinmethod8081,plustwosurrogates,wereanalyzedontheEquity-1701column.
Thesesamerunconditionswillseparateall22compoundsonanEquity-5columnofsimilardimensions.
Theelutionorderisdifferentbetweenthetwocolumns,makingtheEquity-1701asuitablechoiceasaconfirmationcolumntotheEquity-5.
IftheEquity-1701isusedinitsowninjectionportaspartofadualcolumnsetup,thelinearvelocitycanbeadjustedtoresolveendosulfansulfateandmethoxychlor(peaks18and21.
)KeyWordsChlorinatedpesticides,method8081,Equity,28372-U,46845-UConditionsColumn:Equity-1701,30mx0.
25mmID,0.
25mCat.
No.
:28372-UOven:100°C(2min)to160°C@15°C/minto280°C@5°C/min(10min)Inj.
:225°CDet.
:ECD,310°CFlow:Helium,constantflow,30cm/sec@100°CInjection:2L,splitless(0.
5min)Liner:4mmIDdoubletaperSample:50ppbeachofa22componentchlorinatedpesticidestandard(Cat.
No.
46845-U)Author:J.
Walbridge/K.
KieferRawDataFileName:1701\211BC015.
DAcquisitionSystem:GC1777PeakIDs1.
2,4,5,6-Tetrachloro-m-xylene(surr.
)2.
a-BHC3.
b-BHC4.
g-BHC5.
d-BHC6.
Heptachlor7.
Aldrin8.
Heptachlorepoxide9.
g-Chlordane10.
EndosulfanI11.
a-Chlordane12.
4,4'-DDE13.
Dieldrin14.
Endrin15.
EndosulfanII16.
4,4'-DDD17.
Endrinaldehyde18.
Endosulfansulfate19.
4,4'-DDT20.
Endrinketone21.
Methoxychlor22.
Decachlorobiphenyl(surr.
)G0019662003Sigma-AldrichCo.
T0030271722