Instrumentation and Mass Spectrometry

Discussion List

• Injector Linearity and Accuracy Test (SQT + Supplemantary Test)

  Answered 41 views 3 comments 0 points Most recent by 0xChem September 25
• Targetlynx limitation for multi-component analysis

  Answered ✓ 21 views 2 comments 0 points Most recent by Shikshaky September 23
• Bad separation, intensity and smearing of peaks in H-class UPLC, Amino Acid Analysis

  Answered 21 views 2 comments 0 points Most recent by GAMA September 10
• Proportioning valve degasser operation

  Answered ✓ 13 views 2 comments 0 points Most recent by per_oxid September 7
• Signal intensity drop over time

  68 views 1 comment 0 points Most recent by 0xChem August 30
• Separate or combined prime

  Answered 73 views 5 comments 0 points Most recent by stevenp August 29
• Normal Acquity degasser reading?

  Answered 72 views 2 comments 0 points Most recent by stevenp August 29
• W2690 HPLC do you need to prime all the lines before running samples?

  Answered ✓ 472 views 4 comments 0 points Most recent by stevenp August 29
• Any suggestions please

  Answered 76 views 5 comments 0 points Most recent by edm01 July 31
• Fractions and IEX-UPLC

  Answered 51 views 2 comments 0 points Most recent by lizh July 5
• Mobile phase of 2 mM Cu(NO3)2 in 11mM HNO3 - Unwanted Reactions?

  Answered 51 views 1 comment 0 points Most recent by lizh July 5
• Acquity BSM Degasser Board

  Answered 35 views 2 comments 0 points Most recent by rwinters June 20
• Format of Inclusion List?

  Question 32 views 0 comments 0 points Started by Dr_Toxic June 7
• Y Axis value of Calibration Curve

  35 views 1 comment 0 points Most recent by MarcNoble May 26
• % RSD fail in RS by HPLC

  67 views 0 comments 0 points Started by RajasekharaReddy May 22
• Acquity QDA

  Answered 97 views 4 comments 0 points Most recent by scientist85 May 12
• Synapt XS users?

  62 views 1 comment 0 points Most recent by Dr_Toxic March 23
• MALDI Synapt users?

  1 view 0 comments 0 points Started by Dr_Toxic March 23
• Shutter Failed to Home

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

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

  Answered 101 views 6 comments 0 points Most recent by RBuco January 20
• USP s/n using blank injection not calculating for all peaks

  Answered 91 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 51 views 3 comments 0 points Most recent by holly1984 November 2022
• CG problem

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

  Answered ✓ 83 views 4 comments 0 points Most recent by per_oxid September 2022
• Waters GI Pump error - instrument not found

  Answered 95 views 1 comment 0 points Most recent by MarcNoble September 2022
• Failed to recover Sample Set from file (.dat)

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

  Answered 82 views 1 comment 0 points Most recent by MarcNoble August 2022
• Pressure in HPLC Range

  Answered 83 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 91 views 0 comments 0 points Started by adameb June 2022