Gangadhar Andaluri

3 Questions 11 Answers 0 Followers

Questions related from Gangadhar Andaluri

Can someone help with Waters Xevo TQ &TQs?

I have a Xevo TQ and Xevo TQs from Waters and both the instruments are not showing any peaks for negative ionization mode. I still get peaks for positive ion mode. Has anyone ever experienced...

04 April 2018 3,289 3 View

Can anyone help with Xevo TQ MS issues?

I have multiple users running samples with anionic salts on XEVO-TQ MS. I see deposits of salts on the corona pin and the cone for direct sample analysis. Same thing happens even after SPE. Any...

09 September 2014 6,040 6 View

Can someone help me with Waters Xevo TQ MS

I have a Waters Xevo TQ MS and the Instrument passes the calibration and resolution only in positive mode. Negative mode keeps failing. Did anyone else notice this issue? What could be a possible...

01 January 1970 2,693 4 View