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 7953
what is the need of calulation of RRF of impurity in HPLC analysis?9 20851
why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?1 5885
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me1094
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.1134
only one end point is possible for citric acid and we get 2 end points for di acid why?3 5125
For Recent draft guidelines for Dissolution test apparatus calibration, why removing the salicylate tables?3 6255
what is the diff betwen calibration and system suitability?8 12744
why chiral separation?1 5697
what are the important specifications for a Column ?2 6773
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
How to choose the which salt is suitable for mobilephase
Did anybody have method for acetyl cysteine effervescnce tablet
calibrtion procedue of LC-MS
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
What is the difference between spectro meter and spectro photo meter?
How would you decide dissolution medium for NCE compound of class I drug
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
how can give the expiry period and restadardisation of volumetric solution
Can we interpret accuracy from linearity in method validation?
why we should take dst factor for below 1%moisture samples
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample