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 hydrodynamics?

354


What is split ratio in Gc? Splitless? how requirr to select?

325


What is related substance by HPLC impurity limits as per USP?

558


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

3599


please explain about aluminium hydroxide assay

709






what is mean by nitrosamine impurities?

546


for which product require to do content uniformity? what is limit of cu?

319


[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

313


what is mean by dissolution biowaiver study?

328


Which are the diffrent grades of api in pharma?

316


Why Ethanol is Used for Standardization of GC Head space?

3722


how you confirm the assay method?

288


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2030


what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1520


What is the use of tlc and hplc? And when and where use?

663