For LOD and LOQ determination which method is accurate? (slopemethod or s/n ratio method)4 6627
how to develop the shorter run time for pharmacopeial methods having 100 min run time?3 7441
How you start the method development of unknown compound.1 3235
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard3 7400
How can you prepare 0.05M Ammonium acetate volumetric solution?2 12450
IF WE INCREASE FLOW RATE RT DECRESE.WHY2 7528
in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration4 8759
various methos to calculate precision in validation methods in HPLC?2 4694
What is the difference between BD
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
why we use a particular hplc column for a particular compound give reasons?please
Qc interview questions
how will you do the prep for unstable componds?
Why we check moisture,ash & AIA in product
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
How to choose concentration of LOQ solutions for RS analysis? Example.
give clarity of linearity and range in method validation
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 ?
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
mode of absorption in alimentary canal?
what is turbidimetric titration?Give 2 examples.
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy