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Please read this! by tom jupille » Thu Mar 11, 2021 7:17 pm	0	7635	Last post by tom jupille Thu Mar 11, 2021 7:17 pm
Embedding chromatograms and reports by tom jupille » Thu Mar 11, 2021 6:42 pm	0	7623	Last post by tom jupille Thu Mar 11, 2021 6:42 pm
Loss of Metribuzin by Ostravaczech » Sat Jun 11, 2022 1:47 am	6	340	Last post by James_Ball Thu Jun 23, 2022 9:11 pm
He/N2 carrier gas switching by markelh » Wed Jun 22, 2022 9:20 pm	2	92	Last post by James_Ball Thu Jun 23, 2022 8:00 pm
How I could derivatize alkaloids working with LC/MS/MS? by Enriqueta » Tue Jun 21, 2022 9:29 pm	2	106	Last post by Enriqueta Wed Jun 22, 2022 5:56 pm
5973N MSD LCD screen by lespaul » Fri Jun 17, 2022 9:54 pm	4	184	Last post by James_Ball Wed Jun 22, 2022 3:26 pm
HP 5970 mass spectrometer issues by AdaptiveChemicalsLLC » Sun Jun 19, 2022 9:40 pm	1	142	Last post by James_Ball Tue Jun 21, 2022 6:47 pm
6890N mainboard not controlling carrier gas by LALman » Sun Jun 19, 2022 5:45 pm	1	111	Last post by James_Ball Tue Jun 21, 2022 6:43 pm
Persistent PEG Carryover in Column by antonio_rosato » Mon Jun 20, 2022 5:52 am	0	106	Last post by antonio_rosato Mon Jun 20, 2022 5:52 am
Help me to improve my signals in LC MS :) by KevinBe » Fri Jun 10, 2022 8:32 pm	5	353	Last post by KevinBe Fri Jun 17, 2022 6:48 am
LCMS Start of end of the day routines? by KevinBe » Thu Jun 09, 2022 8:07 am	2	278	Last post by lmh Thu Jun 16, 2022 10:16 am
LCD files? Shimazu alternative to labsolutions? by KevinBe » Wed Jun 08, 2022 9:59 pm	5	323	Last post by lmh Thu Jun 16, 2022 10:07 am
Spectra for some compounds changed while rt stayed the same by WoeUntoGC » Tue Jun 14, 2022 9:59 pm	2	205	Last post by WoeUntoGC Wed Jun 15, 2022 6:13 pm
[XCalibur] Identify fragment peak from peptide mass spectrum by polklin » Mon Jun 13, 2022 3:41 pm	0	195	Last post by polklin Mon Jun 13, 2022 3:41 pm
New HPLC MS - new c18 - quite a large background noise by KevinBe » Thu Jun 09, 2022 8:39 pm	3	272	Last post by James_Ball Mon Jun 13, 2022 2:10 pm
SIM/SCAN problem with 7890/5977 - Masshunter by jfa-gc » Thu Jun 09, 2022 3:30 pm	4	269	Last post by James_Ball Mon Jun 13, 2022 1:57 pm
APCI background vs esi? by KevinBe » Sun Jun 12, 2022 1:33 pm	0	189	Last post by KevinBe Sun Jun 12, 2022 1:33 pm
GC-MS Load Bitmap Error by -cla- » Fri Jun 10, 2022 12:59 pm	1	217	Last post by MichaelVW Fri Jun 10, 2022 9:23 pm
Repeating plastic contamination in small molecule study by gemdublin » Wed Jun 08, 2022 10:25 am	0	246	Last post by gemdublin Wed Jun 08, 2022 10:25 am
Problem tuning BPA in Waters XEVO TQD by yamibelendiaz » Thu Jun 02, 2022 7:06 pm	0	339	Last post by yamibelendiaz Thu Jun 02, 2022 7:06 pm
Lower signal with ACN compared to EtAc as inj. solvent GCMS? by Arne » Wed May 04, 2022 10:34 am	5	861	Last post by Arne Sat May 28, 2022 6:19 am
USEPA 8260 - 'New' Instrument Issues by wss » Tue Apr 19, 2022 12:52 am	9	1091	Last post by Steve Reimer Mon May 23, 2022 7:10 pm
Hand Calculating Concentration by cjm » Wed May 18, 2022 3:45 pm	2	564	Last post by rb6banjo Sat May 21, 2022 1:37 pm
Your favorite UPS setup for GC-MS? by LALman » Wed May 04, 2022 8:47 pm	7	889	Last post by Multidimensional Fri May 20, 2022 1:57 pm
Stopping MassHunter from returning to initial conditions by wss » Tue Mar 08, 2022 9:12 pm	4	1370	Last post by lmh Tue May 10, 2022 12:32 pm
N2 for GC-MS "Rest" Gas by benhutcherson » Sun May 05, 2019 3:59 pm	31	7549	Last post by LALman Wed May 04, 2022 8:24 pm
Data Analyses @MassHunter Quantitative Software by SN1985 » Sun Apr 24, 2022 7:52 pm	2	822	Last post by James_Ball Mon Apr 25, 2022 7:56 pm
Waters MRM Integration Mass Lynx 4.1 by s.bayanus » Tue Apr 19, 2022 5:31 pm	1	740	Last post by per_oxid Mon Apr 25, 2022 6:46 pm
5975/7890A/ OI4470 flow issues by 01310040231 » Mon Apr 04, 2022 6:52 pm	4	1222	Last post by 01310040231 Fri Apr 15, 2022 5:40 pm
Same mass, different retention time. Isomers? by mcg_2022 » Mon Apr 11, 2022 1:00 am	2	1079	Last post by Gaetan Glauser Thu Apr 14, 2022 12:55 pm
Identifying unknown compounds in LC-Q-TOF spectra by wss » Fri Sep 17, 2021 3:52 am	1	3871	Last post by antonio_rosato Wed Mar 30, 2022 2:08 pm
Dual detector GCMS and FID by p.dupuis » Tue Mar 22, 2022 4:23 pm	2	1228	Last post by p.dupuis Tue Mar 29, 2022 12:40 pm
8260 high B.P. non linearity and R.T. locking question. by LALman » Thu Mar 03, 2022 10:15 pm	5	1415	Last post by LALman Thu Mar 24, 2022 9:13 pm
What LCMS system changes warrant test method re-validation? by vickig » Thu Mar 24, 2022 8:43 pm	0	1069	Last post by vickig Thu Mar 24, 2022 8:43 pm
Finnigan MAT ITS 40 Software by labstephan » Sat Oct 11, 2008 7:54 pm	20	10384	Last post by Vivid_Grey Tue Mar 22, 2022 12:24 pm
handover clean of new lab facility by Peggsy » Fri Mar 11, 2022 3:03 am	2	1357	Last post by Peggsy Fri Mar 18, 2022 5:02 am
GCMS Cost by Faray » Mon Mar 14, 2022 6:47 am	3	1375	Last post by James_Ball Mon Mar 14, 2022 8:39 pm
AGILENT GC 6890/MSD 5973 with broken hard drive PC by TchankoPharm » Mon Sep 20, 2021 4:32 am	14	4314	Last post by KM-USA Fri Mar 11, 2022 2:05 pm
Varian 1200 connection question by lkohl17 » Fri May 19, 2017 9:15 pm	1	3786	Last post by hayem Fri Mar 04, 2022 4:29 pm
Varian 450GC-300MS installation by hayem » Thu Mar 03, 2022 6:39 am	0	1283	Last post by hayem Thu Mar 03, 2022 6:39 am
Grob Test Mixture reproducibility by agao123 » Wed Mar 02, 2022 6:25 am	2	1300	Last post by Steve Reimer Wed Mar 02, 2022 9:01 pm
How to clean an Agilent GCMS Ion Source: A comprehensive gui by 01310040231 » Sat Jan 15, 2022 12:32 am	1	1926	Last post by agao123 Wed Mar 02, 2022 6:14 pm
Poor peak shape/Low peak area in PAH standard by stdev » Sun Feb 27, 2022 11:10 am	2	1302	Last post by James_Ball Tue Mar 01, 2022 3:21 pm
Agilent 5973 firmware upgrade by paolo.canu@unipd.it » Mon Feb 21, 2022 10:34 pm	3	1464	Last post by paolo.canu@unipd.it Tue Mar 01, 2022 8:34 am
Persistent carry over peaks on UHPLC-MSMS by Ken99 » Fri Dec 22, 2017 11:52 am	7	4711	Last post by stdev Sun Feb 27, 2022 11:22 am
2 dimensional GCxGC peak broadening/wrap arround by agao123 » Sun Feb 13, 2022 9:00 pm	1	1457	Last post by antonk Fri Feb 18, 2022 8:09 am
A few quesions about GC-MS by agao123 » Tue Feb 15, 2022 9:38 pm	1	1466	Last post by dblux_ Wed Feb 16, 2022 7:34 am
HPLC MS - Agilent or Shimadzu? by KevinBe » Wed Feb 09, 2022 8:54 am	11	1929	Last post by Gaetan Glauser Mon Feb 14, 2022 11:05 am
Large Air Leak Agilent 6890 GC/MSD by SLT » Wed Dec 01, 2021 10:07 pm	5	2495	Last post by James_Ball Thu Feb 10, 2022 10:33 pm
transfer line from GC column to MS by sepscientologist » Tue May 24, 2011 6:17 pm	16	8627	Last post by MSCHemist Thu Feb 03, 2022 5:51 pm

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