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TABLE 7GC OPERATING CONDITIONS FOR ORGANOCHLORINE PESTICIDESFOR DUAL-COLUMN METHOD OF ANALYSISLOW TEMPERATURE, THIN FILMColumn 1:Column 2:DB-1701 or equivalent30 m x 0.53 mm ID1.0 µm film thicknessDB-5 or equivalent30 m x 0.53 mm ID0.83 µm film thicknessCarrier gasCarrier gas flow rateMakeup gasMakeup gas flow rateInjector temperatureDetector temperatureInitial temperatureTemperature programFinal temperatureHelium6 mL/minuteNitrogen20 mL/min250EC320EC140EC, hold 2 minutes140EC to 270EC at 2.8EC/min270EC, hold 1 minuteCD-ROM <strong>8081A</strong> - 32 Revision 1December 1996
TABLE 8GC OPERATING CONDITIONS FOR ORGANOCHLORINE PESTICIDESFOR THE DUAL COLUMN METHOD OF ANALYSISHIGH TEMPERATURE, THICK FILMColumn 1:Column 2:Carrier gas:Carrier gas flowrate:Makeup gas:Makeup gas flowrate:Injector temperature:Detector temperature:Initial temperature:Temperature program:Final temperatureDB-1701 (J&W) or equivalent30 m x 0.53 mm ID1.0 µmDB-5 (J&W) or equivalent30 m x 0.53 mm ID1.5 µmHelium6 mL/minuteNitrogen20 (mL/min)250EC320EC150EC, hold 0.5 min150EC to 190EC at 12EC/min, hold 2 min190EC to 275EC at 4EC/min275EC, hold 10 minCD-ROM <strong>8081A</strong> - 33 Revision 1December 1996
Page 1 and 2: METHOD 8081AORGANOCHLORINE PESTICID
Page 3 and 4: CompoundCAS Registry No.Chloropropy
Page 6 and 7: confirmation techniques may be empl
Page 9 and 10: 5.7.2 1-bromo-2-nitrobenzene is sug
Page 11 and 12: columns. Table 2 lists average rete
Page 13 and 14: mean CF ' CF 'nj CF ii'1nwhere n is
Page 15 and 16: 7.5.6.1 For aqueous samplesConcentr
Page 17 and 18: 7.5.11 Identification of mixtures (
Page 19 and 20: Construct a similar baseline in the
Page 21 and 22: 8.0 QUALITY CONTROL8.1 Refer to Cha
Page 23 and 24: 8000, Sec. 8.0 for information on e
Page 25 and 26: TABLE 1GAS CHROMATOGRAPHIC RETENTIO
Page 27 and 28: TABLE 3aFACTORS FOR DETERMINATION O
Page 29 and 30: TABLE 5GC OPERATING CONDITIONS FOR
Page 31: TABLE 6 (continued)RETENTION TIMES
Page 35 and 36: TABLE 10ANALYTE RECOVERY FROM DICHL
Page 37 and 38: TABLE 12SINGLE LABORATORY ACCURACY
Page 39 and 40: FIGURE 2GAS CHROMATOGRAM OF INDIVID
Page 41 and 42: FIGURE 4GAS CHROMATOGRAM OF TOXAPHE
Page 43 and 44: FIGURE 6GAS CHROMATOGRAM OF ORGANOC

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