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by tom jupille » Thu Mar 11, 2021 7:22 pm
Embedding chromatograms and reports
by tom jupille » Thu Mar 11, 2021 6:45 pm
Where to look first.
by tom jupille » Sat Nov 13, 2010 11:52 pm
Soap extraction
by no_peak » Thu Oct 21, 2021 7:54 pm
spiking (human plasma)
by ibrahim.gabriel » Fri Oct 08, 2021 1:49 pm
Porapak Q Sorbent Tube Conditioning and Extraction
by Ento_Joe » Fri Nov 18, 2016 2:27 pm
Stir-bar sorptive extraction (SBSE) - No thermal desorption?
by aemert92 » Thu Sep 23, 2021 7:51 pm
Dental Gel with Carbomer
by mcervera » Tue Jul 20, 2021 8:00 am
Solvent for Extraction of SVOC for NBR - solvation
by Nams Salam » Tue Jul 13, 2021 5:11 pm
PFAS contamination by dispensette?
by BMU_VMW » Wed Jun 30, 2021 2:24 pm
GERSTEL misalignment issues
by KASTURI GOPAL » Sat Jun 26, 2021 3:14 am
How to decapsulate a compound out of micelles?
by L v Lion » Thu Apr 08, 2021 9:56 am
Benzidine Matrix spike recovery by EPA 625.1
by NaaaxndO227 » Thu May 27, 2021 9:28 pm
Trouble Shooting
by EK8 » Thu Mar 11, 2021 6:55 pm
Stability of Benzo(a)pyrene-D12
by James_Ball » Mon Jul 06, 2020 2:32 pm
Antioxidant 24
by mbdixon » Wed Mar 17, 2021 10:19 am
PPM Limit Specification
by etaxene » Thu Mar 04, 2021 1:06 pm
Bismute identification
by etaxene » Thu Feb 04, 2021 10:37 pm
How do you prep samples for FFA GC columns?
by MSCHemist » Tue Feb 16, 2021 6:33 pm
Glassware Cleanup
by cjm » Thu Jan 21, 2021 3:34 pm
silica gel and 8270 compounds
by -cla- » Thu Jan 28, 2021 5:28 pm
Acidic analytes in caustic solution
by Arne » Mon Dec 07, 2020 8:47 pm
Tare Balance
by crimelist » Wed Jan 20, 2021 4:50 pm
Why does water need to be 80°C to extract sugar from Spl?
by chemist23 » Mon Jan 11, 2021 9:24 pm
Preparing one standard with multiple concentrations, how?
by chemist23 » Tue Jan 05, 2021 4:44 pm
Sample Preparation
by pharm2004 » Fri Jan 01, 2021 8:15 pm
Cute Sampling Gizmo
by rb6banjo » Thu Dec 24, 2020 4:53 pm
Vancomycin from tissues
by bunnahabhain » Fri Dec 18, 2020 11:50 am
IsNotAtomObject error in MassHunter with a PAL sampler
by stevenwlloyd » Tue Dec 15, 2020 8:37 pm
High speed centrifuge vs 0.45um, filter which do you prefer?
by chemist23 » Wed Nov 25, 2020 9:06 pm
High speed centrifuge 50% ACN in H2O solution bad idea?
by chemist23 » Fri Oct 09, 2020 9:12 pm
Is my dilution math correct?
by chemist23 » Wed Oct 07, 2020 4:33 am
Saccharin in water
by hts123 » Sat Oct 03, 2020 8:09 am
the story is this:
by camale0nte » Fri Oct 02, 2020 1:52 pm
Xanthan Gum sample preparation for HPLC analysis
by luke83 » Fri May 13, 2011 7:53 am
What happens to DNA during acetonitril precipitation?
by Friederike » Thu Sep 17, 2020 4:45 pm
Calculate the sample mass equivalent to 2 mg ion Chlorine
by ultima_86 » Tue Sep 15, 2020 10:30 am
Acrylic acid disposal
by Arne » Fri Aug 14, 2020 3:42 pm
sodium sulfate cleaning
by MichaelVW » Wed Jul 01, 2020 5:33 pm
Carbamate degradation in water samples
by ifqal » Mon Jul 06, 2020 5:52 pm
Derivatization with MSTFA, NH4I and Ethanethiol
by chem0211 » Tue Oct 15, 2019 7:54 am
Alternative SPE solvent?
by Cantacoxinha » Thu Jul 25, 2019 2:08 pm
Enzyme activity by direct monitoring of transamination rxn
by JLeeHads » Thu Aug 29, 2019 2:57 pm
Does lactose monohydrate convert to lactose after drying?
by chemist23 » Thu Sep 19, 2019 1:15 pm
SPE cartridge decomposition?
by KathyPolo » Fri Jun 05, 2020 12:41 am
Sample prep with MSA
by CFire0515 » Thu May 21, 2020 12:54 pm
sodium tetraethyl borate
by Sassolini » Tue Apr 07, 2020 3:37 pm
How to extract Ethanol from gel Hand sanitizers
by chemist23 » Tue May 12, 2020 7:53 pm
Sodiumazide in alkaline hydrolysis
by Förbrylium » Tue Nov 12, 2019 9:21 am
How do I know how much I should dilute my sample in HPLC
by hibu » Sat Apr 25, 2020 8:58 am
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