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Liquid Liquid Extraction of Metformin
by Yowie » Sun Jun 19, 2022 10:56 am
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1
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47460
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Last post by James_Ball
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Calibration & Sample prep for P&T VOC analysis
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14
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58209
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Last post by James_Ball
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How to express concentration of organic compound?
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2
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38058
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Last post by studentjelena
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Last drop remaining in micropipette tip
by penxx » Fri Apr 01, 2022 3:15 pm
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3
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36977
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Last post by LALman
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Xanthan Gum sample preparation for HPLC analysis
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5
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42543
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Last post by MSCHemist
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Kjeldal method validation
by Nikita » Sat Mar 05, 2022 9:54 am
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0
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18949
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Last post by Nikita
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kjeldahl method validation
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14
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28174
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Last post by Nikita
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Acrolein - problem with prepare standard solution
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1
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17873
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Last post by rb6banjo
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Determination of related substances in 1- tert-butylamino -3
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0
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15818
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Last post by haishuibukedouliang
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Improve your Method Optimization for SPME
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0
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15833
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Last post by CF - David Hills
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Mercury Cleanup to remove Sulfur from sediment samples
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1
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17096
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Soap extraction
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1
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14618
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spiking (human plasma)
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1
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14810
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Porapak Q Sorbent Tube Conditioning and Extraction
by Ento_Joe » Fri Nov 18, 2016 2:27 pm
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5
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20914
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Stir-bar sorptive extraction (SBSE) - No thermal desorption?
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2
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14663
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Dental Gel with Carbomer
by mcervera » Tue Jul 20, 2021 8:00 am
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0
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16707
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Last post by mcervera
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Solvent for Extraction of SVOC for NBR - solvation
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2
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14656
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Last post by Nams Salam
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PFAS contamination by dispensette?
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2
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13979
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Last post by James_Ball
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GERSTEL misalignment issues
by KASTURI GOPAL » Sat Jun 26, 2021 3:14 am
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2
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13635
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Last post by KASTURI GOPAL
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How to decapsulate a compound out of micelles?
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2
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14747
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Last post by L v Lion
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Benzidine Matrix spike recovery by EPA 625.1
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1
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13550
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Last post by Steve Reimer
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Trouble Shooting
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6
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15445
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Stability of Benzo(a)pyrene-D12
by James_Ball » Mon Jul 06, 2020 2:32 pm
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2
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16723
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Last post by James_Ball
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Antioxidant 24
by mbdixon » Wed Mar 17, 2021 10:19 am
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0
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15636
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Last post by mbdixon
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PPM Limit Specification
by etaxene » Thu Mar 04, 2021 1:06 pm
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3
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14608
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Last post by Hollow
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Bismute identification
by etaxene » Thu Feb 04, 2021 10:37 pm
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2
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13767
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Last post by David C
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How do you prep samples for FFA GC columns?
by MSCHemist » Tue Feb 16, 2021 6:33 pm
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0
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13878
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Last post by MSCHemist
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silica gel and 8270 compounds
by -cla- » Thu Jan 28, 2021 5:28 pm
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4
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13562
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Last post by -cla-
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Acidic analytes in caustic solution
by Arne » Mon Dec 07, 2020 8:47 pm
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5
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14151
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Last post by Arne
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Tare Balance
by crimelist » Wed Jan 20, 2021 4:50 pm
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2
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10431
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Last post by crimelist
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Why does water need to be 80°C to extract sugar from Spl?
by chemist23 » Mon Jan 11, 2021 9:24 pm
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1
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10236
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Last post by tom jupille
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Preparing one standard with multiple concentrations, how?
by chemist23 » Tue Jan 05, 2021 4:44 pm
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1
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10418
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Last post by James_Ball
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Sample Preparation
by pharm2004 » Fri Jan 01, 2021 8:15 pm
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0
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10765
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Last post by pharm2004
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Cute Sampling Gizmo
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0
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11247
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Last post by rb6banjo
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Vancomycin from tissues
by bunnahabhain » Fri Dec 18, 2020 11:50 am
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1
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10384
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Last post by Gaetan Glauser
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IsNotAtomObject error in MassHunter with a PAL sampler
by stevenwlloyd » Tue Dec 15, 2020 8:37 pm
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0
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11276
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Last post by stevenwlloyd
Tue Dec 15, 2020 8:37 pm
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High speed centrifuge vs 0.45um, filter which do you prefer?
by chemist23 » Wed Nov 25, 2020 9:06 pm
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6
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11341
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Last post by Arne
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High speed centrifuge 50% ACN in H2O solution bad idea?
by chemist23 » Fri Oct 09, 2020 9:12 pm
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2
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10541
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Last post by dblux_
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Is my dilution math correct?
by chemist23 » Wed Oct 07, 2020 4:33 am
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1
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9673
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Last post by James_Ball
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Saccharin in water
by hts123 » Sat Oct 03, 2020 8:09 am
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2
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9754
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Last post by James_Ball
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the story is this:
by camale0nte » Fri Oct 02, 2020 1:52 pm
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0
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9674
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Last post by camale0nte
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What happens to DNA during acetonitril precipitation?
by Friederike » Thu Sep 17, 2020 4:45 pm
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0
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9850
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Last post by Friederike
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Calculate the sample mass equivalent to 2 mg ion Chlorine
by ultima_86 » Tue Sep 15, 2020 10:30 am
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1
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9774
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Last post by tom jupille
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Acrylic acid disposal
by Arne » Fri Aug 14, 2020 3:42 pm
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0
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10249
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Last post by Arne
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sodium sulfate cleaning
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4
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11458
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Last post by DR
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Carbamate degradation in water samples
by ifqal » Mon Jul 06, 2020 5:52 pm
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1
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10172
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Last post by James_Ball
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Derivatization with MSTFA, NH4I and Ethanethiol
by chem0211 » Tue Oct 15, 2019 7:54 am
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3
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12413
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Last post by Don_Hilton
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Alternative SPE solvent?
by Cantacoxinha » Thu Jul 25, 2019 2:08 pm
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3
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12287
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Last post by Don_Hilton
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Enzyme activity by direct monitoring of transamination rxn
by JLeeHads » Thu Aug 29, 2019 2:57 pm
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1
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11694
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Last post by Don_Hilton
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Does lactose monohydrate convert to lactose after drying?
by chemist23 » Thu Sep 19, 2019 1:15 pm
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2
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11467
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Last post by Don_Hilton
Sat Jun 06, 2020 11:24 pm
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