why the same column give different retention time in hplc?
Answer Posted / dhaval bhatt
1)column temp
2)presser not stable
3)leakage column from any side
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
how to calibrate hplc & gc
mode of absorption in alimentary canal?
which batch require to use for analytical method validation?
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
for inorganic molecules require to do RS, Assay and disso?
If vendor having more imp than monograph then how to proceed? and how to set spec?
which situation gc hs and gc als require to use?
in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
calibrtion procedue of LC-MS
if you have given one product then how you determine the impurity in that?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
what is the purge flow & how to calculate