Why to use propyl paraben in HPLC gradient calibration





No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer



More Analytical Chemistry Interview Questions

why we are taking 85 ml of concentrated HCl to prepare 1N Solution

4 Answers   SG Phyto Pharma,


why hydrogen and zero air used for flame ignition in gc?

1 Answers  


why PH range 0-14 explain

5 Answers   Saint Gobain, DRL, Reddy Labs, Viva,


In method developement or in any analysis if we use small length column for analysis what happen then ? why ?

3 Answers  


How we will choose pH of a mobile phase if analyte pKa value is 4

2 Answers   Laurus, Celon Labs,






How can the GC or HPLC method is selected to determine the impurity profile in drug product?

1 Answers   Ajanta,


Difference between c18

6 Answers   Dr Reddys, Intas, Torrent Pharma, Apothecon, IPQA, SUN,


What is difference between FID and TCD in gas chromatography

1 Answers   VPCPL, Cipla,


What is the difference between Chromatograhic Purity And Related substances

10 Answers   Cipla,


How to start the dissolution development for unknown tab?

0 Answers   IPCA,


HOW TO CALIBRATE HPLC OVEN

1 Answers   Mylan,


what is the identification test of volatile substance? what is volatile compound?

1 Answers  





Categories
  • Organic Chemistry Interview Questions Organic Chemistry (287)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (113)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1186)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (300)
  • Chemistry AllOther Interview Questions Chemistry AllOther (77)