Un-Answered Questions { Health Pharma }

why single injection in related substance & dissolution but why not in assay ?

1554


why nitrogen charecter as a inert gas plz identified

1186


If granules are over lubricated what defect arises in tablet compression how we solve this problem.

1627


why dissolution multimedia profile of drug is important. what are the specifications for tablets ,capsules,powders etc

2556


Can any one tell me that which brand hplc column is used for levetiracetam imp- b test.

1367


why we use matrixing method in stability study and on what basis time points are selected?

1443


why we study matrixing in stability system in stability study and on what basis we select time point.

1744


What is the principal of particle size analyzer?brief explain instrumentation?

1946


How to select temperature of ODT in disintegration test

1350


Caffeine standard is recommended by the monograph for HPLC wavelength accuracy calibration. It is covered range of 205 to 273 only.If the method have wavelength beyond the range, then how it supports for instrument performance?

1178


What is column efficiency and performance ? And how can we know the column is better?

1203


principle of dissolution

2918


what is the exact classification of pharmaceutical industry (area wise) as per cleaning limits(Class A.B.C.D)

1376


Why we use 10 tablets for the analysis of cu test?

1650


what we do when calibration of any instrument is fail ?

1258