How we will choose pH of a mobile phase if analyte pKa value is 4

Answer Posted / ramgepharma

above answer is not exactly
pH value will be +/_ ≥2 to Pka of drug

Is This Answer Correct ?    4 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is mean by dissolution biowaiver study?

312


how to qualify the impurity?

307


why digestion require in icpms?

292


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1789


What is diffrence between extractable volume and deliverable volume? Answer pls

3905






Loss of linearity in tkn analysis, possible reasons?

789


what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

326


How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

2515


If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

300


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

2706


In rs method development when we are going area normalization method to dilute standard method?

925


why we use glass fiber filters use in some situation?

313


What should be the level/ Percentage of Arsenic in Arsenic free zinc.

1748


what is mean by covalidation

306


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1327