Instrumentation and Mass Spectrometry

Discussion List

• Wavelength accuracy

  241 views 7 comments 0 points Most recent by mengo February 2018
• Plate type names in Analyst

  61 views 3 comments 0 points Most recent by DavidMcleod January 2018
• Waters Autosampler 717 plus Failure

  234 views 6 comments 0 points Most recent by Dan_Ramlose December 2017
• Method transfer from Acquity UPLC to Acquity H-Class UPLC

  74 views 1 comment 0 points Most recent by S_Zee December 2017
• Steady increasing baseline on PDA

  29 views 2 comments 0 points Most recent by Pflan December 2017
• TQD internal standard area counts decrease significantly with each run

  26 views 2 comments 0 points Most recent by smtb3 December 2017
• The chromatogram of cefixime in lc ms ms is tailing

  3 views 0 comments 0 points Started by iluk December 2017
• PRP X100 equivalent with UPLC column for TQD-MS

  12 views 0 comments 0 points Started by Paramee2017 December 2017
• Needle/Seal Move Limit Exceeded (5.0) Help

  2.5K views 1 comment 0 points Most recent by vinnyh99 December 2017
• Estradiol related substances by UPLC

  Answered ✓ 5 views 3 comments 0 points Most recent by gofish December 2017
• Turning off collision gas at external regulator for TQD

  Answered ✓ 71 views 3 comments 0 points Most recent by gofish December 2017
• Reference Diode in PDA/UV

  84 views 1 comment 0 points Most recent by rune December 2017
• Loop 2uL for HS7697A in Empower 3

  12 views 0 comments 0 points Started by frao December 2017
• Backpressure regulator

  11 views 0 comments 0 points Started by Xab October 2017
• Loop volume listed in instrument report

  11 views 2 comments 0 points Most recent by Pflan October 2017
• Injection of chloroform containing samples

  13 views 2 comments 0 points Most recent by markcampbell October 2017
• overlay spectrum

  Answered ✓ 25 views 2 comments 0 points Most recent by williewashington September 2017
• ms garde solvents priority

  1 view 0 comments 0 points Started by UPLCHClassQSM September 2017
• Acquity UPLC and Analyst 1.6.2

  136 views 2 comments 0 points Most recent by btran September 2017
• protein precipitation: organic ratio vs plasma volume

  17 views 0 comments 0 points Started by Neuchuplc February 2016
• Pressure issues

  13 views 0 comments 0 points Started by Summer December 2015
• HILIC - system conditions

  11 views 0 comments 0 points Started by amanda5670 July 2014
• Use of ion-pair reagents (such as sodium lauryl sulfate) on UPLC

  Answered ✓ 158 views 2 comments 0 points Most recent by lizh June 2014
• Acquity data output to chromeleon

  Answered ✓ 115 views 1 comment 0 points Most recent by lizh June 2014
• UV baseline movement.

  22 views 6 comments 0 points Most recent by DGJL June 2014
• Strange security and general errors

  Answered ✓ 24 views 0 comments 0 points Started by DanRamlose May 2014
• Negative peaks and disturbed baseline

  15 views 0 comments 0 points Started by deleon May 2014
• normal phase chromatography

  2 views 0 comments 0 points Started by filipaoc January 2014
• Waters introduces improved nano- to microsale separations with the new ACQUITY UPLC M-Class System.

  1 view 0 comments 0 points Started by michelleaf January 2014
• HPLC to UPLC method conversion, cGMP quality concerns

  91 views 2 comments 0 points Most recent by SChrisman January 2014