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by tom jupille » Thu Mar 11, 2021 6:30 pm
Topics
LOD & LOQ Estimation
by Jumpshooter » Thu May 20, 2010 8:36 pm
CH4 in air
by haiedc » Wed May 19, 2010 8:14 am
EPPB: safety shutdown
by faris » Thu May 20, 2010 1:13 am
Pyretroids in honey by GC/ECD
by Girvuch » Fri May 14, 2010 6:55 pm
Operational Qualification and Performance Verification OV PV
by Jumpshooter » Wed Apr 28, 2010 3:04 pm
How to make it 1mL?
by haiedc » Wed May 05, 2010 11:55 pm
5980 II plus
by faris » Wed May 19, 2010 6:01 am
How to Determine LOD of Impurity in Gas Sample?
by Terry » Mon May 10, 2010 3:21 am
SPME
by GregK » Mon May 10, 2010 7:54 pm
Run log not clearing
by Sarra » Wed May 12, 2010 10:39 pm
Residual solvents testing labs
by qcChemist » Wed May 12, 2010 12:17 pm
double peak methanol; residual solvent
by centraing » Thu May 06, 2010 6:14 pm
7890A - NPD
by g-star » Tue May 11, 2010 1:12 pm
Injection errors - how often do you get them?
by chemwipe » Fri Apr 30, 2010 1:05 pm
GCMS Perkin Elmer: origin of contaminating agents?
by agirod » Mon May 03, 2010 12:45 pm
5890 Series II Plus?
by chemwipe » Fri Apr 16, 2010 6:21 pm
Standard Solution Help
by Tammy » Wed May 05, 2010 9:59 pm
FID response of HCHO and HCOOH
by haiedc » Mon May 03, 2010 9:44 am
GC-MS/MS : Agilent 7000B or Thermo quantum xls ?
by atrazine » Wed Apr 28, 2010 7:29 pm
Ghost peak
by Ryklys » Wed Mar 24, 2010 8:44 am
PEG column erosion with ethanol?
by t_chem_1 » Fri May 07, 2010 3:45 pm
FID (w/Capillary Column) vs. TCD (w/Packed Column) Analysis?
by Labgurl » Fri May 07, 2010 7:28 pm
6890 power board removal
by EnvironLab » Wed May 05, 2010 4:53 pm
which factors effect relative retention time
by qinyong-023 » Thu May 06, 2010 9:24 am
Detection of Methane and Co2 by GC-MS
by song jack » Wed May 05, 2010 4:39 am
RSD -head space
by alquimica » Tue May 04, 2010 10:23 am
Anhydride Analysis
by Schmitty » Tue May 04, 2010 4:53 pm
ghost peaks, small standard = inaccuratly high analytes
by Jessamaka » Fri Apr 30, 2010 8:44 pm
Slow falling baseline with FID
by Gopher » Mon Mar 15, 2010 11:17 pm
Reference Standards
by ssankella » Fri Apr 30, 2010 2:12 am
GC method development
by Austin » Wed Apr 21, 2010 3:28 am
Retention time shift of HCH
by astroguille » Thu Apr 29, 2010 2:20 pm
Acetic acid by gas chromatography
by gogo » Tue Apr 13, 2010 11:29 am
Fault: Detector B Temp Reading (pictures included!)
by chemwipe » Thu Apr 29, 2010 3:35 pm
EPA method 515.1
by Lira » Fri Apr 09, 2010 6:55 pm
Benzalkonium Chloride and Glycol Method
by Christsean » Thu Apr 29, 2010 12:24 pm
SCD question...
by SkylineGTR112 » Tue Apr 27, 2010 7:55 pm
Chemstation annoyance and injector question
by dtatham » Tue Apr 27, 2010 5:26 pm
Headspace oven heats unreasonably slow
by MestizoJoe » Tue Mar 16, 2010 10:04 pm
GC column for gases
by Narsil » Tue Apr 27, 2010 2:08 pm
Negative peak overlapping CH4 peak
by aki » Tue Feb 10, 2009 12:31 pm
GC column selection
by mibobdog » Mon Apr 26, 2010 7:00 am
GC temperature programming
by badrul » Wed Apr 21, 2010 2:08 pm
Help please. Relative respsonse factor doesn't work..
by slee » Mon Apr 26, 2010 9:55 pm
Connecting Rotary Valco valves to HP6890
by aamorin » Fri Apr 23, 2010 5:59 pm
Bisphenol A with CG/ECD
by Juan Pedro » Fri Dec 05, 2008 10:32 am
Loss of peak area after performing maintenence
by dalarie » Wed Apr 21, 2010 8:58 pm
Baseline jumps
by cody84 » Tue Apr 20, 2010 12:45 pm
GC Analysis of (2RS)-2-[(dimethylamino)methyl]cyclohexanone
by Chandresh K. Soni » Mon Apr 26, 2010 10:33 am
GC performance
by faris » Fri Apr 23, 2010 9:50 pm
7440 topics

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