what is the extinction coefficient for Indomethacin or at 319nm wave length.2625
how PH an important role in HPLC separation3 12837
Why the same type of columns showing different RT for a single product?6 9003
Shall i use a same hplc column for two different products.?3 6203
What is the difference between low pressure gredient and high pressure gredient in hplc instrument?4 9454
why did uyou choose analytical chemistry?1 1969
Is it compulsory to prepare KBr disc with sample in identification test by FTIR?2 6853
If we are getting split peak in Chromatogram,what we can do?7 12150
Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?7 9828
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
What is viod volume and peak purity in HPLC?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
What is gelatinization?
What is the difference between spectro meter and spectro photo meter?
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.
Why potassium dichromate is used in calibration of uv?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
Did anybody have method for acetyl cysteine effervescnce tablet
In Dissolution Test why limit is define Q+5% what is the role of +5%.
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
if you have given a blank water how you analyse by general analytical techniques?
what is the disso medium for tropsiun chloride