One Raw material failed assay test is there any chance for failing purity of that material ?7 7926
What are the differences between GC and HPLC?1 11076
Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?4 8638
What is linearity in HPLC and how will you test?1 15092
What is the difference of time between two consecutive injections in HPLC?2 7494
Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration2 11211
How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis1 1858
how to prepare 25 ppm acetone. explian with formula4 10658
What is the diffeence between assay and uniformity of content2 6560
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
how to get accurate result for Residue on evaporation in purified water
what is the difference between potentiometric titration and karl fischer titration?
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
why we do the calibration of limit of stry light in hplc & uv
explain 5 components of gas chromatography ?
What is third generation HPLC Columns?
What is the purpose of octyl silane columns?
what type of questions asked on analytical balance and also give answers................all pharma companies?
How can I develope method of dissolution by HPLC OR UV
why we use sodium salicylate in uv light calibration at TLC chamber
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
What is diffrence between extractable volume and deliverable volume? Answer pls
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.