what is the difference betwen the analytical column &
peparative column?
Answer Posted / harry
analytical column is used for assay and purity study. while preparative column is used for synthesis when product recovery is concerned.
Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
What is split ratio in Gc? Splitless? how requirr to select?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
how to select short coloum and long coloumn for new molecule
for inorganic molecules require to do RS, Assay and disso?
How do we fix the sample concentaryion in hplc method development?
Which are the diffrent grades of api in pharma?
why require to add enzymes in capsules dissolution only? is it require to tablet also?
[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?
pharma industries oriented
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
give clarity of linearity and range in method validation
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
What should be the level/ Percentage of Arsenic in Arsenic free zinc.