How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3385

if rsd failed then what require to do?

314



1814

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

351

in dissolution why pool sample needed? in which type of drug pool sample need?

2590

If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?

323

Principle of single pan analytical balance

4596

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2035

which are the sizes of capsules?

402

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2957

if you given one product then which tests you will perform?

315

In Dissolution Test why limit is define Q+5% what is the role of +5%.

2565

We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1311

what is biorelivent dissolution media?

300

why we use a particular hplc column for a particular compound give reasons?please

2265