evaluate actual values of H2 and N2
by eunhyeok » Thu Dec 07, 2023 6:46 am
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1
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695
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Last post by wss
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Can 100% acetonitrile damage d7-butyric acid in GCMS?
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0
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1216
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High RSD
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3
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1250
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Why is there low signals for PFBBr derivatised-d7 butyric ac
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0
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1205
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HP 5890 EPC high
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0
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1219
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gases separation
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0
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1285
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EPA 522 1,4-Dioxane
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0
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1244
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Question about EPA 552.3 HAA5 GC-ECD Method
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2
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745
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Higher responses for later eluting compounds in THMs 524.2
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1
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501
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Masshunter GCMS system suitability
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1
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587
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EPA method 552.3
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10
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6767
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Shimadzu GCMS autotune failing 502 intensity
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2
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780
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Want to Buy: refurbished micro ECD for Agilent GC 6890
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0
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1166
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simuate distillation in HP/Agilent 5890 GC
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0
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1147
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HP 5890 Series ii Revival
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4
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768
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pressure always 0.01 below setpoint
by MichaelVW » Fri Nov 03, 2023 12:34 am
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7
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1346
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Retention time change with Gas Saver time
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5
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975
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6890 ECDs... where to buy?
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3
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2437
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Removing detector from 6890N
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5
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1043
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How tu purge air line in Agilent 6850 GC
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2
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913
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calibration liquid methanol in GC
by samira123 » Thu Oct 05, 2023 1:31 am
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7
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1413
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GCMS SPME Noisy Baseline at End of Injection
by PurplePeacock » Fri Nov 10, 2023 9:58 am
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0
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1091
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HCl gas in GC columns
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2
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745
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Signal Without turning on FID Detector!
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5
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1386
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Increasing in Retention time
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10
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3394
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Standard Compound carryover
by PFS » Fri Sep 15, 2023 4:11 am
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1
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2086
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Can I top off foreline pump oil without venting?
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2
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990
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Theoretical concentration calculation STD
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0
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1199
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Gas chromatographic methods for HFA and HFP
by wss-1688 » Sun Oct 08, 2023 8:21 am
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0
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1213
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9377-2 Mineral oil test
by therdem » Thu Oct 05, 2023 8:22 am
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0
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1103
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inaccurate SPME measurements
by ChrisT » Tue Oct 03, 2023 2:53 pm
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1
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688
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Adjusting retention times in Data Analysis (Chemstation)
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6
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4494
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PTV inlet adapter not sealing.
by mwolhowe » Thu Sep 28, 2023 10:20 pm
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0
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1157
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varian star 6.41 version
by taemin » Thu Feb 02, 2017 12:00 am
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3
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4504
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Stainless steel or copper hydrogen lines
by jkocis » Wed Jul 02, 2014 11:49 am
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9
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13205
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Sequence aborting prior to injection
by AnaChem1983 » Mon Sep 25, 2023 4:03 pm
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1
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1914
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Change of carrier gas
by aniket1706 » Tue Sep 26, 2023 7:18 am
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1
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735
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Can't find software Totalchrom
by mkliese » Mon Sep 25, 2023 5:00 pm
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2
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708
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Observe Baseline spikes in conditioning!
by ahmed ismail » Tue Sep 19, 2023 5:31 pm
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3
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696
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522 1,4-Dioxane Sensitivity
by jtingson » Tue Sep 19, 2023 3:36 pm
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12
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1675
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different results obtained using 6890N v 7890A
by pstaunton » Thu Jan 21, 2021 2:23 pm
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4
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3185
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Troubleshooting Recoveries Over 100% In Spiked Placebo
by w7west » Tue Sep 19, 2023 7:09 pm
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5
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903
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Accounting for Matrix Effects
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16
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7735
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Filter for liquid contamination in gas samples
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1
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1774
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Nitric oxide on GC
by MatteusL » Tue Sep 12, 2023 12:49 pm
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1
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1632
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What detector is this? (pic)
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3
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1823
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Liquid Hydrocarbon Analysis with Sim-Dist GC
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2
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1673
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TD-GC/MS, foreline pressure problem
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2
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1744
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"Back Inlet Flow Not Ready"
by ewitt2515 » Wed Sep 13, 2023 1:24 pm
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0
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2255
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How to make calibrate curve?
by itsarapan » Wed Sep 13, 2023 5:34 am
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0
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2264
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