Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?1 3161
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample1741
What is third generation HPLC Columns?1133
what is third integration1141
Why sodium hydroxide used for maintain pH of phosphate buffer1383
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
Why sodium hydroxide used for maintain pH of phosphate buffer
what is the extinction coefficient for Indomethacin or at 319nm wave length.
how you determine moist.of NaOH sol or NaOH flacks
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
how much mass should be there in volumetric flask while in preparation of sample for assay?
How to fix the sample conc. in Related substances test by HPLC?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
in sampling of raw material which side is pasted sampled labels
what is the purge flow & how to calculate
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
What is intact assay method development.....?