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%)1012
why we inject sample TWICE in ASSAY by HPLC analysis but in RS once?4 5786
What id the resolution factor1 1777
what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)1 723
How can we calculates the solubility of the drug in different medias by injecting in to hplc????(solubility studies)2 1835
In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.3 4226
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
if you have given a blank water how you analyse by general analytical techniques?
explain 5 components of gas chromatography ?
During Validation study, Recovery is passing at all levels but Linearity is failing. Justify?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
What is the principle of Thermal conductivity detector and FID?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
how to calibrate hplc & gc
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
What is aggregate and fragments in SEC?
process of Diclofenac sodium,IP.
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?