What is the difference between chiral cel OD-H & OD-RH ?
Answer Posted / hemasundar
OD H column can be used only in normal phase where as ODR H
column can used in both reverse phase and normal phase
| Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
what you do when compound having dwel wavelength?
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
if instrument calibration fails then what require to do?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
How we can identify process related and degradation impurity in single method with short period?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
if rsd failed then what require to do?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
what is mean by dissolution hydrodynamics?
What is the Formula for coreletion coefficient in plhplc calibration
What is split ratio in Gc? Splitless? how requirr to select?
mode of absorption in alimentary canal?
Why to use propyl paraben in HPLC gradient calibration
What are the primary considerations in extractables and Leachables ?