how to convert normal phase hplc to reverse phase and vice versa?
why 0.005 M sulphuric acid is used to calbrate spectrophotometer and why caffiene is used for calibrating hplc
2 Answers GVK, Torrent Pharma,
why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?
What is primary & Secondary Standard ? Give Example
column washing procedure for normal phase and reverse phase?
why we are taking 85 ml of concentrated HCl to prepare 1N Solution
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
what is regration method in method validation , how we can calculate it.
How we fix the validity period of a Normal solution and re-standardization due date
Why void volume(time in seconds) 1 in hplc system suitability
What is the column performance and column efficiency?
How you collect dissolution media while in stirring condition of a basket or a paddle?
A ha tc is actual defination of retention time?