Joaquim Fernando

5 Questions 7 Answers 0 Followers

Questions related from Joaquim Fernando

Glyphosate extraction-flow-sheet?

I am start the analysis of glyphosate. I have the ISO/TC 147/SC 2 N1145, but the procedure has many steps. I am asking help. If someone already made a flow-sheet of the procedure to be more...

12 July 2016 3,192 1 View

Glyphosate extraction-flow-sheet?

I am start the analysis of glyphosate. I have the ISO/TC 147/SC 2 N1145, but the procedure has many steps. I am asking help. If someone already made a flow-sheet of the procedure to be more...

07 July 2016 1,230 1 View

Why analysing antibiotics the chromatographic peak are large and disform?

we are using the column Kinetex C18 column (2.6 x 150 mm i.d., 1.7 µm particle size.and changing the proportion of the mobile phase (acetonitrile and water) no big change was observed.

19 February 2016 875 5 View

How to determine the number of point per peak using LC-MS/MS?

I do not know if i could use this formula:number of point per peak= peak width of 10 seconds/(dwell time (s) X number of MRM events) (MRM-Multiple Reaction Monitoring).where i can found a...

19 February 2016 3,276 4 View

Why analysing antibiotics the chromatographic peak are large and disform?

we are using the column Kinetex C18 column (2.6 x 150 mm i.d., 1.7 µm particle size.and changing the proportion of the mobile phase (acetonitrile and water) no big change was observed.

02 February 2016 9,874 6 View