In dissolution test s1 stage we are getting one bowl 40 % out of 6 bowls what is the root cause you find and how proceed next step? ( Q is 80%)1 1417
why we inject sample TWICE in ASSAY by HPLC analysis but in RS once?4 6738
What id the resolution factor1 2238
what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)1 1029
How can we calculates the solubility of the drug in different medias by injecting in to hplc????(solubility studies)2 2242
In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.3 4882
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
Why perchloric acid used for potentiometric titration
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
in dissolution why pool sample needed? in which type of drug pool sample need?
How much is the standard area for glc analysis
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
using gradient pressure in gas chromatography are not ?using gradient pressure why
how to get accurate result for Residue on evaporation in purified water
what is the extinction coefficient for Indomethacin or at 319nm wave length.
Why potassium dichromate is used in calibration of uv?
can i use hplc detector to uplc and why?
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth