why there is a need of optical activity & specific optical
activity measurement by polarimeter
Answer Posted / ravali
to identify a compound both or and sor r required.bcz SOR
depends on OR where as OR changes with concentration ,so
not stable.SOR=OR/C*Lwhere c=concentration,L=cell
length.for a unkown compound of known concentration SOR
does not changes with cocentration,so we can identify the
compound.
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
How to set analytical specification for combination products?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
How to know the estimated LOQ concentration in ppm
If vendor having more imp than monograph then how to proceed? and how to set spec?
What is the main difference between ODS1 and ODS2 Hplc column.
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
Please give idea about method development for cleaning method and how maco level establish
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
if you given one product then which tests you will perform?
why cone formation during dissolution?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
Which are the diffrent grades of api in pharma?
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.
Loss of linearity in tkn analysis, possible reasons?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...