if one drug is acidic in nature and the other drug is basic in nature, e.g. desloratadine is soluble in acidic environment i.e 0.1N HCL whereas Montelukast Sodium is soluble in basic environment i.e. .2% SLS. How can we choose a common media for there Dissolution?



if one drug is acidic in nature and the other drug is basic in nature, e.g. desloratadine is soluble..

Answer / Dinesh Kumar

A buffer solution with a pH close to neutral (around 7) could be chosen as a common medium for dissolving both drugs. This buffer should have the ability to maintain its pH constant even when acidic or basic substances are added, thus providing an environment suitable for both drugs.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Pharmacy Interview Questions

What is eCTD? Difference between CTD & eCTD? How it will be prepared? Need of any Software?

2 Answers   Ranbaxy,


What is the difference between polarimeter lamp and IR lamp?

1 Answers  


what are all the parameters to be considered while applying bracketing and matrixing?where and all it is applicable?

1 Answers  


Why Assay and CU test performed differently?

4 Answers   Cipla, Lupin,


why we use PG as a taxonomic marker ?

1 Answers   Cipla,


what is manual integration in HPLC

3 Answers   Hetero, Jubilant, Lupin,


hai,i had completed my b.pharmacy.i want the coaching centres for drug inspector exam at hyderabad,pls help me nd wen wil b the DI exam conducted in 2012 mostly,pls also forward the model papers.. pls reply me at jyothipasam@gmail.com

1 Answers  


In dissolution test why sample is withdrawn from top of the paddle and not less than 1 cm away from wall?

1 Answers  


what is difference between temporary change control and deviation

1 Answers   ACME,


what is the calculation for getting the tablet weight and the punch size, Eg..if there is a 8/32 punch then how to measure tablet weight????

1 Answers   Cipla, Reliance,


What is the procedure to prepare the placebo?

4 Answers  


besides Signal & noise ratio how calculating LOD & LOQ?

1 Answers   Dr Reddys, Jubilant,


Categories