Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?3 5693
what is internal standard define2 1729
What are the parameters for the method development of Gas Chromatography and GC-HS?2 3121
how much mass should be there in volumetric flask while in preparation of sample for assay?1265
U have 4 strengths have different coating meterial which one u chose to do forced degradation stady in validation1 2041
Tell me about analytical method validation in QC2244
how to calibrate hplc & gc
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?
What is the purpose of octyl silane columns?
In performance Check of GC Why Hexadecane Peak is Considered
calibrtion procedue of LC-MS
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
what is turbidimetric titration?Give 2 examples.
Many times I don't got a caffeine peak in calibration of hplc using guard column ❓
Identify problem faced when mass spectroscopy is used with HPLC system ?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
What is aggregate and fragments in SEC?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?