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water detector 2487 problems
by Davidr89 » Sat Feb 09, 2019 9:59 pm
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0
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3427
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Last post by Davidr89
Sat Feb 09, 2019 9:59 pm
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UPLC Instant Retention Time Shift
by Jana P » Fri May 24, 2013 12:29 am
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6
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7961
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Last post by HKM_BD
Sat Feb 09, 2019 6:50 am
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Commercially available trap columns < 10 mm length?
by Mattias » Wed Feb 06, 2019 8:02 am
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2
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2896
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Last post by Mattias
Wed Feb 06, 2019 1:39 pm
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agilent 1100 pump no flow
by hplcnewuser1 » Sun Feb 03, 2019 4:36 pm
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5
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4947
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Last post by vmu
Tue Feb 05, 2019 4:28 am
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Quantitation of polysorbate 20
by Mattias » Wed Jan 30, 2019 1:20 pm
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3
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3323
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Last post by Mattias
Mon Feb 04, 2019 1:54 pm
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Column test and retest specification
by Kris_Markovs » Fri Feb 01, 2019 8:50 am
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3
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2997
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Last post by Rndirk
Mon Feb 04, 2019 9:57 am
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Negative peak in Gradient Blanks Across Entire UV Range
by djacqo » Sat Feb 02, 2019 1:33 pm
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1
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2981
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Last post by Gerhard Kratz
Sun Feb 03, 2019 3:52 pm
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Ghost peaks with new ultra pure water system
by Ken99 » Wed Jul 25, 2018 12:19 pm
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4
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4012
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Last post by Hollow
Sat Feb 02, 2019 12:34 pm
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Regarding the analysis of water soluble vitamins
by DeviSirisha » Thu Jan 31, 2019 4:26 am
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2
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3050
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Last post by DeviSirisha
Sat Feb 02, 2019 10:41 am
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Drifting retention times
by Hyphauser » Tue Jan 29, 2019 1:19 pm
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6
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3292
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Last post by Hyphauser
Thu Jan 31, 2019 1:08 pm
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Isolation of natural products - help with gradient
by spritefloats » Sat Jan 26, 2019 3:50 pm
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6
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3660
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Last post by lmh
Tue Jan 29, 2019 12:29 pm
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calculating mass balance in forced degradation studies
by sdumair » Tue Jan 29, 2019 6:56 am
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0
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3821
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Last post by sdumair
Tue Jan 29, 2019 6:56 am
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Starting analysis aborted via CAN +Shutdown (Agilent 1100)
by tylerkai » Wed Jan 23, 2019 3:48 pm
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1
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5632
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Last post by Multidimensional
Fri Jan 25, 2019 12:12 am
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Error 0x9062 on my HPLC LC 2030 i-series
by CASABIOT » Thu Jan 24, 2019 9:11 pm
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0
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3738
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Last post by CASABIOT
Thu Jan 24, 2019 9:11 pm
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I was fired. Was I wrong?
by confusedchemist » Wed Jan 23, 2019 4:11 am
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9
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4790
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Last post by vmu
Thu Jan 24, 2019 5:51 pm
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HPLC Agilent - mg/L to % (w/w)
by chemgc779 » Sun Jan 20, 2019 12:02 pm
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11
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11681
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Last post by Consumer Products Guy
Thu Jan 24, 2019 2:40 pm
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Method scaling to smaller ID columns
by Mike H. » Thu Jan 17, 2019 7:51 pm
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3
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3579
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Last post by lmh
Wed Jan 23, 2019 5:22 pm
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Costs etc for a project in plant/interactions (nectar chem.)
by Stevesteve » Tue Jan 22, 2019 5:07 pm
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4
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3084
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Last post by lmh
Wed Jan 23, 2019 5:11 pm
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USP <621> General chapter
by Melissa PV » Mon Jan 21, 2019 12:57 pm
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1
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10192
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Last post by tom jupille
Wed Jan 23, 2019 4:28 pm
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Can I use an HPLC Detector Alone as a Spectrophotometer?
by Beobachter » Tue Jan 22, 2019 4:26 am
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1
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3211
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Last post by Multidimensional
Tue Jan 22, 2019 10:53 pm
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HPLC troubleshooting
by GeorgePapou » Mon Jan 21, 2019 9:17 am
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3
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3447
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Last post by Zoraku
Tue Jan 22, 2019 9:34 pm
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ascorbic acid powder
by Mohamad » Sun Jan 20, 2019 12:27 am
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0
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3455
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Last post by Mohamad
Sun Jan 20, 2019 12:27 am
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Rotor seal part No (Thermo Ultimate WPS-3000)
by bunnahabhain » Thu Jan 17, 2019 9:07 am
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2
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4750
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Last post by John Guajardo
Fri Jan 18, 2019 10:49 pm
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HILIC peak tailing
by D.Roesch » Wed Jan 16, 2019 9:13 pm
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4
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4515
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Last post by D.Roesch
Fri Jan 18, 2019 4:37 pm
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Waters 2695 stopped working, please help.
by MTChemist » Wed Feb 28, 2018 7:30 pm
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4
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4451
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Last post by MTChemist
Fri Jan 18, 2019 4:26 pm
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Spectra obtained with hplc
by matty83 » Wed Jan 16, 2019 10:16 am
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1
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2867
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Last post by tom jupille
Thu Jan 17, 2019 1:38 am
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Changing Agilent FLD lamp 1260
by blakeyk » Wed Jan 16, 2019 1:22 pm
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0
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3613
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Last post by blakeyk
Wed Jan 16, 2019 1:22 pm
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Manual for Varian 330 PDA detector
by Oldskulhplc » Sun Dec 09, 2018 1:43 pm
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3
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3525
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Last post by DoryFish
Wed Jan 16, 2019 4:03 am
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Short column lifetime due to sulfuric acid in samples?
by mwijland » Thu Jan 10, 2019 5:41 pm
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6
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4134
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Last post by Vlad Orlovsky
Mon Jan 14, 2019 10:27 pm
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ascorbic acid
by Mohamad » Sun Jan 13, 2019 12:53 am
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1
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3086
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Last post by Vlad Orlovsky
Mon Jan 14, 2019 10:14 pm
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Chromeleon 7.xx incl. licence for sale?
by UltiMate 3001 » Mon Jan 14, 2019 3:28 am
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0
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3809
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Last post by UltiMate 3001
Mon Jan 14, 2019 3:28 am
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RP LC with zwitterion
by Mike H. » Fri Jan 11, 2019 4:52 pm
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1
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3401
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Last post by tom jupille
Sun Jan 13, 2019 1:08 am
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HP 1050 Diode Array Detector failed power supply
by PixelShigoto » Tue Jan 08, 2019 3:54 pm
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4
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3764
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Last post by Multidimensional
Sun Jan 13, 2019 12:07 am
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Baseline drift and oscillation of a RI detector
by leejm516 » Mon Jan 07, 2019 9:42 am
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8
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11426
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Last post by Multidimensional
Sun Jan 13, 2019 12:03 am
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Are blanks viewed as samples?
by ccfaron » Thu Jan 03, 2019 3:47 pm
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6
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4563
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Last post by lmh
Thu Jan 10, 2019 12:33 pm
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Viscosity and priming
by BL__ » Wed Jan 09, 2019 3:05 pm
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1
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2775
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Last post by EmpowersBane
Wed Jan 09, 2019 5:22 pm
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Differences Waters 600 616 626 600E 600S pump and controller
by James2 » Wed Jan 09, 2019 2:14 pm
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0
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3357
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Last post by James2
Wed Jan 09, 2019 2:14 pm
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Waters 2695 Alliance Carousel Tray
by fareedtayyeb » Thu Dec 20, 2018 11:05 am
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6
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6081
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Last post by fareedtayyeb
Sat Jan 05, 2019 12:30 pm
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Vitamin A and D by HPLC (USP Method)
by JeffRow » Fri Mar 26, 2010 8:07 pm
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15
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14885
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Last post by DeviSirisha
Thu Jan 03, 2019 11:37 am
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Internal standard in HPLC CIPAC method
by sofiane » Fri Dec 28, 2018 9:39 am
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6
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4027
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Last post by Consumer Products Guy
Wed Jan 02, 2019 3:01 pm
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Waters Alliance 2695 seal wash pump on during operation
by palomarres » Fri Dec 28, 2018 8:10 pm
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0
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4059
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Last post by palomarres
Fri Dec 28, 2018 8:10 pm
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need help about running Lauryl Betaine on the HPLC or UPLC
by Mohamad » Wed Dec 19, 2018 2:14 pm
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2
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3368
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Last post by Mohamad
Thu Dec 20, 2018 9:21 pm
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Agilent 1290 Pump Leak Rate Test failure
by NickW » Thu Aug 27, 2015 7:51 pm
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3
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6157
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Last post by Multidimensional
Thu Dec 20, 2018 7:34 pm
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selection of column for shimadzu Rp-HPLC
by DeviSirisha » Tue Dec 18, 2018 5:33 am
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1
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3333
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Last post by Consumer Products Guy
Tue Dec 18, 2018 1:58 pm
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Agilent G4212B Setting calibration wavelength failed
by piracetam » Tue Dec 11, 2018 3:24 pm
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12
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6313
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Last post by piracetam
Mon Dec 17, 2018 3:59 am
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Injection to injection peak area variability
by David_lucas69 » Mon Nov 26, 2018 2:00 pm
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5
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6020
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Last post by Zoraku
Thu Dec 13, 2018 6:54 pm
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Standards run as Unknown Double what they should be
by CMCinc » Wed Dec 12, 2018 5:12 pm
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1
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3064
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Last post by Multidimensional
Wed Dec 12, 2018 8:59 pm
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HILIC separation using IPA as mobile phase
by Geof235 » Sat Dec 08, 2018 3:09 am
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6
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4669
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Last post by Mattias
Wed Dec 12, 2018 8:17 am
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LC Devices for Xcalibur 2.0.7
by fzawadiak » Tue Dec 11, 2018 2:34 pm
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0
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3483
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Last post by fzawadiak
Tue Dec 11, 2018 2:34 pm
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Separation and quantification of two different HPMC Grades
by DRVKS » Fri Aug 03, 2018 5:56 am
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7
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5362
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Last post by Geof235
Sat Dec 08, 2018 7:03 pm
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