What’s you biggest challenge you ever had? What’s your biggest achievement you had? What’s your weakness and strongest? Do you have experience with method development? Do you have experience with diluent not match with mobile phase? Which case you use direct injection or headspace? Do you have experience when there are three deadlines in the same day? How do you handle it? What’s you long term goal? Do you have any conflict with QA? What brings you to here? What parameter you did for method validation? What cause your baseline fluctuation? Which parameter you changed improves selectivity? Have you tried changing pore shell column? Have you tried water/ACN as mobile phase? How do you determine your peak purity, do you have PDA in your lab?
