Instrumentation and Mass Spectrometry

Discussion List

• Signal intensity drop over time

  16 views 0 comments 0 points Started by pmorrissey February 23
• Shutter Failed to Home

  24 views 1 comment 0 points Most recent by MarcNoble February 16
• Communication failure ACQ-FTN Masslynx problem solved

  21 views 1 comment 0 points Most recent by JCarter280 February 10
• Wavy rolling baseline in diluent injections....

  Answered 65 views 6 comments 0 points Most recent by RBuco January 20
• USP s/n using blank injection not calculating for all peaks

  Answered 38 views 1 comment 0 points Most recent by MarcNoble December 2022
• Why my total abudance on the chormatograms change if I chnege the retention extraction window??

  Answered 40 views 3 comments 0 points Most recent by holly1984 November 2022
• Synapt XS users?

  22 views 0 comments 0 points Started by Dr_Toxic October 2022
• CG problem

  19 views 1 comment 0 points Most recent by Diana__ October 2022
• Move all MRM retention windows?

  Answered ✓ 66 views 4 comments 0 points Most recent by per_oxid September 2022
• Waters GI Pump error - instrument not found

  Answered 37 views 1 comment 0 points Most recent by MarcNoble September 2022
• Fractions and IEX-UPLC

  Question 12 views 0 comments 0 points Started by Neel22 August 2022
• Failed to recover Sample Set from file (.dat)

  36 views 1 comment 0 points Most recent by chemist23 August 2022
• Instrument peak area decrease over time (PFAS Testing)

  Answered 41 views 1 comment 0 points Most recent by MarcNoble August 2022
• Pressure in HPLC Range

  Answered 56 views 1 comment 0 points Most recent by lizh August 2022
• Response for one compound in one sample run from batch way too high - otherwise OK.

  Question 67 views 0 comments 0 points Started by adameb June 2022
• Peak Splitting & Poor peak shape using VanGuard

  Answered 31 views 2 comments 0 points Most recent by Jonathan_Turner June 2022
• HILIC glycan Premier Column

  Answered 32 views 1 comment 0 points Most recent by MarcNoble June 2022
• HPLC-IR

  48 views 2 comments 0 points Most recent by nshah4 April 2022
• Fault detector IR

  39 views 1 comment 0 points Most recent by MarcNoble April 2022
• Nitrogen gas use for a Waters Micromass Qtof Premier and Waters QDa

  Answered 35 views 1 comment 0 points Most recent by MarcNoble February 2022
• Is the UPLC H-class PLUS BioSystem and I-Class can do the same in protein characterization

  Answered 23 views 1 comment 0 points Most recent by dipols January 2022
• Unexpected Peaks for Water Sample and other Issues

  Answered 68 views 2 comments 0 points Most recent by Dan_Ramlose December 2021
• Is the Auto-Blend Plus Technology available in the H & I class with same performance ?

  Answered 45 views 1 comment 0 points Most recent by lizh November 2021
• Which is better ACQUITY UPLC H-Class PLUS Bio System or ACQUITY UPLC I-Class PLUS

  Answered 83 views 3 comments 0 points Most recent by Orbi November 2021
• H Class spare parts

  Answered 273 views 9 comments 2 points Most recent by emmajames54 November 2021
• Alliance HPLC PDA 225nm : Disturbed baseline

  Answered 31 views 1 comment 0 points Most recent by RBuco November 2021
• Pressure Issues on UPLC

  Answered 299 views 1 comment 0 points Most recent by MarcNoble September 2021
• W2690 HPLC do you need to prime all the lines before running samples?

  Answered ✓ 152 views 3 comments 0 points Most recent by MarcNoble August 2021
• Bool RSD field

  Answered 24 views 4 comments 0 points Most recent by Dan_Ramlose August 2021
• How do I remove a sample manager initialisation fault?

  Answered 31 views 2 comments 0 points Most recent by ChristianK August 2021