Mahmoud Ali

3 Questions 8 Answers 0 Followers

Questions related from Mahmoud Ali

What causes HPLC pump pressure falls during injection?

Hello, I have dual pump RSLC dionex 3000. Left pump connected to Vector PC post column derivatization. When autosampler inject, HPLC pressure pump falls down and rise again. During pressure...

12 December 2014 5,503 5 View

Which is more accurate: standards solutions calibration or procedural standards calibration?

In water organic analysis, such as pesticides or disinfection by-products, there is methods use calibration solution prepared directly in solvent from stock standards, while other methods prefer...

08 August 2014 2,294 5 View

What are the most important organic contaminants in drinking water?

There are many methods for analysis of organic contaminants in drinking water. Most of organochlorine pesticides, acidic herbicides, carbamates and PAHs are mostly not detected. I already analyzed...

12 December 2013 1,047 23 View