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Oil Range Organics by EPA 8015 (Modified?)
by markf » Thu May 04, 2023 10:01 am
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2
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5090
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Last post by markf
Sun Jun 04, 2023 1:05 pm
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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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5425
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Last post by Samba_Zero
Wed May 31, 2023 2:17 pm
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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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5253
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Last post by James_Ball
Wed May 24, 2023 9:11 pm
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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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4365
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Last post by eskogsberg
Mon May 22, 2023 11:27 pm
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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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6127
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Last post by rb6banjo
Sat May 20, 2023 1:08 pm
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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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4065
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Last post by Peter Apps
Fri May 19, 2023 12:35 pm
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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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5977
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Last post by Lumberyack91
Thu May 18, 2023 11:05 pm
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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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5144
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Last post by LALman
Tue May 16, 2023 11:06 pm
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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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4234
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Last post by antonk
Mon May 15, 2023 7:10 am
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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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4051
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Last post by Peter Apps
Sun May 14, 2023 9:15 am
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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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4663
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Last post by Peter Apps
Sun May 14, 2023 8:19 am
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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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6482
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Last post by Peter Apps
Sun May 14, 2023 8:06 am
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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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3430
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Last post by Peter Apps
Sun May 14, 2023 7:58 am
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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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4082
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Last post by tduhl01
Wed May 10, 2023 6:47 pm
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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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5936
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Last post by SherryGC-MS
Wed May 03, 2023 1:09 am
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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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8748
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Last post by LALman
Mon May 01, 2023 9:27 pm
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Peak integration
by LabProARW » Tue Apr 11, 2023 3:27 pm
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3
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3949
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Last post by James_Ball
Thu Apr 13, 2023 2:08 pm
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He grade A as carrier
by Julie18 » Fri Feb 24, 2023 9:48 am
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7
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4190
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Last post by LALman
Tue Apr 11, 2023 7:51 pm
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New TCD detector baseline dip
by LabProARW » Mon Oct 03, 2022 4:56 pm
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4
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6442
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Last post by GasMan
Tue Apr 11, 2023 6:38 pm
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GC/FID jet issue
by karol413 » Wed Apr 05, 2023 8:23 pm
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7
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4981
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Last post by AICMM
Mon Apr 10, 2023 5:17 pm
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Inlet leak test
by chronomag » Fri Mar 31, 2023 4:59 am
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4
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3889
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Last post by chronomag
Fri Apr 07, 2023 2:48 am
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Carlo Erba Manuals
by TestRig » Thu Mar 30, 2023 6:44 am
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4
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3826
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Last post by TestRig
Thu Apr 06, 2023 7:45 am
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Conversion of Standard Gas Mixture used for calibration
by abuzuhaira » Mon Apr 03, 2023 7:39 pm
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2
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4110
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Last post by dblux_
Wed Apr 05, 2023 7:48 am
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"Issues Encountered in Organic Acid Analysis Using GC/MS"
by starboard » Sun Apr 02, 2023 3:10 pm
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0
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6152
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Last post by starboard
Sun Apr 02, 2023 3:10 pm
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FID Sensitivity
by kpotter » Tue Mar 14, 2023 3:00 pm
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8
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4609
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Last post by James_Ball
Thu Mar 30, 2023 6:27 pm
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Ethylene oxide residuals - Medical devices
by catarinasrocha » Tue Mar 28, 2023 12:26 pm
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3
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3958
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Last post by rb6banjo
Tue Mar 28, 2023 5:27 pm
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Troubleshooting - Your thoughts welcome!
by Travisdog2 » Sun Mar 12, 2023 8:57 pm
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3
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3444
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Last post by Travisdog2
Mon Mar 27, 2023 2:26 pm
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Syringol quantifiaction using HS-SPME
by SherryGC-MS » Tue Feb 14, 2023 3:40 am
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1
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2356
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Last post by rb6banjo
Tue Mar 14, 2023 1:11 pm
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Turbo molecular pump error
by danielasanchezarana » Wed Mar 08, 2023 4:35 pm
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3
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2143
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Last post by Peggsy
Tue Mar 14, 2023 5:06 am
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Aliphatic amines
by snisyriou » Fri Mar 10, 2023 10:39 am
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3
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2376
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Last post by wss
Tue Mar 14, 2023 12:57 am
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Autosystem XL GasChromatograph Autosampler elevator not init
by htsianoy » Tue Feb 14, 2023 9:15 am
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2
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2016
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Last post by chromolover
Fri Mar 10, 2023 8:02 pm
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Enzymatic reactions - workup for GC analysis?
by Trishia » Fri Mar 03, 2023 9:20 pm
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0
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3229
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Last post by Trishia
Fri Mar 03, 2023 9:20 pm
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FID Extinguishes and Reignites Between Samples
by mburleson » Thu Mar 02, 2023 1:16 am
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8
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2363
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Last post by DR
Fri Mar 03, 2023 8:56 pm
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Major leak - no obvious source
by mschem » Fri Feb 24, 2023 9:04 pm
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6
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3698
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Last post by mschem
Fri Mar 03, 2023 8:45 pm
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Questions about LPG analysis w/ PLOT columns & H2 carrier
by aeroPH » Wed Feb 08, 2023 8:00 pm
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3
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2415
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Last post by AICMM
Thu Mar 02, 2023 3:18 pm
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Problem in Methanizer of Varian 450-GC
by arfeen66 » Tue Dec 13, 2011 9:35 am
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6
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4168
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Last post by AICMM
Thu Mar 02, 2023 3:12 pm
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Internal standard inconsistent response
by SherryGC-MS » Sat Feb 25, 2023 2:36 pm
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4
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2480
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Last post by James_Ball
Tue Feb 28, 2023 3:49 pm
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Bruker Scion 456-GC software
by treloarj » Thu Feb 23, 2023 11:30 pm
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1
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2035
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Last post by antonk
Fri Feb 24, 2023 6:25 am
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Phenol Issue
by Edward Bridge » Thu Feb 16, 2023 8:36 am
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3
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1857
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Last post by James_Ball
Fri Feb 17, 2023 5:32 pm
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Nitrogen Testing TCD
by JMGCZ » Thu Feb 02, 2023 4:23 pm
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1
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1722
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Last post by nipe
Thu Feb 16, 2023 3:40 pm
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Residual Solvent (Headspace Analysis)
by GabeS » Tue Jan 03, 2023 8:59 pm
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11
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4696
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Last post by James_Ball
Mon Feb 13, 2023 4:47 pm
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INSTRUMENT PRE RUN
by nurfatinie » Sat Feb 11, 2023 3:59 am
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1
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1881
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Last post by DR
Mon Feb 13, 2023 3:14 pm
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foreline pressure
by SherryGC-MS » Wed Jan 04, 2023 6:22 am
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8
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3126
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Last post by SherryGC-MS
Wed Feb 08, 2023 3:58 am
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GCMS column for permanent gases and hydrocarbons
by Compy19 » Mon Feb 06, 2023 11:43 am
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2
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1851
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Last post by wss
Tue Feb 07, 2023 9:09 pm
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DANI GC spare parts
by Mreza555 » Wed Nov 09, 2022 11:39 am
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1
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2225
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Last post by HbJ
Tue Feb 07, 2023 12:24 pm
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Standalone with HP 5890 II and 7673 Autosampler possible?
by rp18 » Wed Feb 01, 2023 9:27 am
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8
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2308
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Last post by rp18
Tue Feb 07, 2023 11:07 am
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Trouble getting agilent inlet to be leak free (mz/51)
by seano » Mon Jan 23, 2023 4:45 pm
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3
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2071
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Last post by seano
Thu Feb 02, 2023 8:53 pm
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Multiple extraction with GC-HS
by WouterVE » Thu Feb 02, 2023 12:44 pm
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0
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2910
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Last post by WouterVE
Thu Feb 02, 2023 12:44 pm
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Agilent 5977b MSD hi-vac gauge.
by bcd_GCLCMSMS » Thu Dec 08, 2022 7:43 pm
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3
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3965
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Last post by redjamesg
Thu Feb 02, 2023 7:06 am
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Anyone Using SRI GC with DDE Link?
by GabeS » Tue Jan 10, 2023 11:52 pm
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2
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1898
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Last post by chromolover
Mon Jan 16, 2023 4:52 pm
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