column washing procedure for normal phase and reverse phase?
HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?
Which is the highly polar and highly non polar column in HPLC?
why we are using only lead standard solution for Heavy metals test? what is the purpose of this?
A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?
what is the moisture content of Disodium hydrogen tartrate. how it can be calculted. as 16.5%
What is shaking level in GC?
How we can perform Linearity study for validation by HPLC with very low conc of sample
What is the reason for using the 900ml of dissolution medium
what is differance between volatile and non volatile compound expalin by exaple
one gram of which below elements has the most atoms in its? a) H b) D C)T D) He
How do you increase the number of theoretical plates?
In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?