Rajesh M

4 Questions 15 Answers 0 Followers

Questions related from Rajesh M

What is the proper washing technique for HPLC columns (C 18) after being injected with Poultry feed vitamin premix samples?

I am using C18 250x4.6 mm. After injecting the column with Poultry feed vitamin premix samples, I noticed a high elevation in the column back pressure. My mobile phase is composed of 99% Methanol...

24 November 2016 7,622 5 View

Can anyone suggest which is the best HPLC column for a vitamin analysis?

Which is the best HPLC column for vitamin analysis? Which column contain highest carbon content?

10 October 2014 8,419 4 View

Can someone explain why the pressure variation in Pump A and B (HPLC)?

When using the Acetonitrile (HPLC grade) (100% Pump B) for long time, there is pressure variation in Pump A & B. Now I solving this problem by ultra sonication of Pumb B filter.

02 September 2014 6,015 9 View

Is there any method for analyzing the fat and water soluble vitamins by using same mobile phase through Shimpack ODS column?

Now, I am analyzing the vitamins by two methods.

25 March 2014 7,165 0 View