PTV inlet
by GGConsulting7 » Tue Sep 12, 2023 8:59 pm
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2
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1596
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Last post by GGConsulting7
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Analyzing Complex Mixtures: Gas Chromatography Explained
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0
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2135
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Last post by amanda8844
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Internal standard material choice
by LabProARW » Fri Aug 18, 2023 2:31 pm
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9
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2367
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Last post by James_Ball
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Same preparation, different responses :(
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5
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2281
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Last post by James_Ball
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Column splitters
by MichaelVW » Tue Aug 22, 2023 9:43 pm
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3
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1816
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Last post by James_Ball
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Thermo GC oven - will not cool to initial temperature
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1
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2224
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Last post by Consumer Products Guy
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Measurement of aldehyde
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2
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1786
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Last post by n.noori
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Problem with "unknown" peaks, likely air problem
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1
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1672
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Last post by antonk
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HP 5890 Series II dumpster find
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9
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2780
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agilent 7890A sudden power off
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8
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5632
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EPA method 8141
by 01310040231 » Mon Aug 07, 2023 6:10 pm
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0
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2537
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Last post by 01310040231
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Varian Saturn 2000 EI-Energy and Database-search
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0
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2486
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Agilent colums
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2
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3461
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Improving sensitivity on untargeted SPME analysis (dairy)
by nmccready » Tue Jul 25, 2023 9:57 pm
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9
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2333
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Last post by Peter Apps
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Pulsed Splitless injection of FPD
by LabProARW » Tue Aug 01, 2023 6:26 pm
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1
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1697
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Last post by Peter Apps
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GC-FID lower levels
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6
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4094
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Last post by Peter Apps
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Permeation Gases in Hydrogen
by push » Tue Aug 01, 2023 8:45 am
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0
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2282
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Last post by push
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5973 bfb not passing and may be related to the ION focus
by HPtarget » Fri Jul 28, 2023 10:04 pm
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1
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1586
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Last post by James_Ball
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[Solved] Gas Sample Peaks always tailed and Splitted. Thx!
by clasperj » Thu Jul 20, 2023 10:54 am
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3
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4309
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Last post by clasperj
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Need regent standards of chemicals
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2
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3409
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Last post by James_Ball
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GC phthalates sampling bottle
by In1274 » Wed Jul 19, 2023 6:02 pm
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4
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3143
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Last post by James_Ball
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Low Injection Volume - Poor Reproducability of Peak Areas.
by murphyjames » Thu Jun 08, 2023 1:51 pm
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5
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4304
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Last post by James_Ball
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Why I am getting H2 peak in TCD when only CO2 is injected?
by Ortega » Thu Jul 13, 2023 7:28 am
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1
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3009
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Last post by AICMM
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Aldehyde DNPH derivatives and GCMS
by mspera » Thu Jul 06, 2023 1:49 pm
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4
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4175
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Last post by mspera
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Troubleshooting no signal from FPD
by TestRig » Tue Jul 04, 2023 5:35 pm
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10
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6424
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Last post by nipe
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Syringe cleaning - Agilent vs Perkin Elmer
by dgomezibarra » Fri Jul 07, 2023 4:39 am
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0
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4249
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Last post by dgomezibarra
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Problem regarding filament
by Shai » Fri Jun 30, 2023 11:47 am
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0
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3996
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Last post by Shai
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Abysmal Precision
by Travisdog2 » Tue Jun 27, 2023 9:39 am
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5
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3620
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Différences between Agilent 7000B and 7000C GC MSMS
by tsoukalas » Wed Jun 28, 2023 12:54 pm
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0
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4065
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Last post by tsoukalas
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Gas analysis sampling
by chenchiAirCo » Tue Jun 06, 2023 11:25 pm
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4
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3653
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Last post by antonk
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Long Chain Hydrocarbon contamination help
by rosemaryandsage47 » Tue Jun 06, 2023 10:56 pm
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6
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3829
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Last post by James_Ball
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8260 + 8270, how to improve surrogate recovery?
by markf » Mon Jun 05, 2023 7:39 am
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2
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3451
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Last post by James_Ball
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GCMS: BFB Increasing With Spike Samples
by morganschimelfenig » Thu Jun 01, 2023 8:35 pm
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1
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3306
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Last post by James_Ball
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Oil Range Organics by EPA 8015 (Modified?)
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2
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3388
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Last post by markf
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Peak integration Question
by Samba_Zero » Wed May 17, 2023 2:43 am
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13
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3360
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Last post by Samba_Zero
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Hydrogen carrier flow rate vs peak fronting
by LabProARW » Wed May 10, 2023 8:56 pm
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6
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3513
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Last post by James_Ball
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Retention time shift in opposite directions on two ECDs?
by eskogsberg » Tue May 16, 2023 11:03 pm
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4
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2759
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Last post by eskogsberg
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How to achieve better separation using linear velocity
by Analisis » Thu May 11, 2023 10:20 pm
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7
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3297
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Last post by rb6banjo
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Varian 3900 GC Split woes
by Pepperymint » Wed May 17, 2023 3:05 pm
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1
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2366
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Last post by Peter Apps
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QC Recoveries from 39% to 62% with no changes
by Lumberyack91 » Thu May 18, 2023 11:05 pm
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0
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3065
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Last post by Lumberyack91
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Liquid Nitrogen Regulator
by GC_LabUser » Fri Apr 28, 2023 7:16 pm
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5
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2895
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Last post by LALman
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PCBs by 8082A - calculations
by MichaelVW » Fri May 12, 2023 11:07 pm
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1
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2390
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Last post by LALman
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Software for HP 5971A
by isomorphism » Wed May 10, 2023 12:26 am
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5
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2703
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Last post by antonk
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Search for a gas chromatograph - Advice welcome
by Stan_Ger » Sun Mar 12, 2023 11:20 am
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3
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2590
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Last post by Peter Apps
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Front edge peak shouldering
by LabProARW » Mon May 08, 2023 3:14 pm
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3
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2596
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Last post by Peter Apps
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Shift ret.time ONLY SECOND HALF CHROMATOGRAM
by CrisTheChemist » Wed Mar 22, 2023 9:02 am
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18
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4143
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Last post by Peter Apps
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Out of Control Area-only one compound
by chromatographycon » Wed May 03, 2023 12:09 pm
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2
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2263
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Last post by Peter Apps
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Concentration-dependent MSD response factor-heavy compounds
by tduhl01 » Tue May 09, 2023 3:01 pm
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4
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2491
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Last post by tduhl01
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DVB / Carbon WR / PDMS Smart SPME arrow
by SherryGC-MS » Wed May 03, 2023 1:09 am
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0
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2954
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Last post by SherryGC-MS
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Electronic Leak Detector reviews/feedback
by Peggsy » Thu Apr 13, 2023 3:42 am
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9
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3829
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