In my analysis by HPLC,In sample main peak and placebo peak are eluting with shorter resolution ( almost look like doublet). how can i get max resolution ? Is changing gradient method is usefull?3 8121
what is the need of calulation of RRF of impurity in HPLC analysis?9 21116
why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?1 5925
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me1136
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.1162
only one end point is possible for citric acid and we get 2 end points for di acid why?3 5216
For Recent draft guidelines for Dissolution test apparatus calibration, why removing the salicylate tables?3 6350
what is the diff betwen calibration and system suitability?8 12957
why chiral separation?1 5796
what are the important specifications for a Column ?2 6875
what is third integration
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
Why irmoisture balance is used for corrugated box moisture testing
mode of absorption in alimentary canal?
How we can determine water content in piperazine
what is difference between zero air gas and o2 gas
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
how can I make the copper get white bye any salt or acit?
What is the difference between known and unknown impurities?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?