Mar 20, 2011 · Is it still possible to do a BFB tune and generate a BFB Tune evaluation report with the normal chemstation? I tried doing the modified autotune mentioned in the note (Page 6 to …

Aug 2, 2007 · Since tuning for BFB leaves you with 176 being too high relative to 174 I automatically suspect the source needs to be cleaned. Try cleaning the souce, run the BFB …

Jun 11, 2016 · Secondly, how do I tune the mass spec using Etune to pass BFB for 524.2? I know Agilent recommends their BFB_Atune but the sensitivity compared to Etune is like 50X less …

Dec 27, 2011 · I have been having a hard time getting BFB to pass this week, so I wanted to do a BFB tune as apposed to the autotune. Once I ran the BFB tune and ran a few blanks, my …

Mar 18, 2016 · How can i do it manually? I just use autotune and BFB tune.The problem came out from nowhere. It had was functioning correctly, i had to use tune wizard and change the …

Dec 25, 2007 · Set target tune parameters as follows: ion 135: 42% of ion 69 ion 219: 40% of ion 69 ion 502: 1.5% of ion 69 Peak width: .45 And then run a target tune. If the target tune will …

Feb 16, 2011 · What tune do you use? A manual tune or the canned BFB tune. Do you set the peak width to 0.5? On the 73's there is a way to set the 219 width, this may help if it' s …

Jun 27, 2015 · Starting at page 6 of that document is what I was describing with doing the ramps of the lenses. If you look at the three curves there and the vertical line indicating the current …

Oct 2, 2007 · None of the BFB tunes passed. All failed with the 75 ion rel abn too high in relation to 95 (~70%). I performed an autotune followed by a BFB dynamic target tune. The report …

Oct 2, 2007 · With the help of a coworker, I was able to get the MS to tune and pass the BFB tune check two days ago. This morning, the tune check failed again, this time with the 75/95 ratio …