For LOD and LOQ determination which method is accurate? (slopemethod or s/n ratio method)4 6833
how to develop the shorter run time for pharmacopeial methods having 100 min run time?3 7610
How you start the method development of unknown compound.1 3417
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard3 7578
How can you prepare 0.05M Ammonium acetate volumetric solution?2 13199
IF WE INCREASE FLOW RATE RT DECRESE.WHY2 7702
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 9073
various methos to calculate precision in validation methods in HPLC?2 4836
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
What is importance of pH in the Heavy metal test and How it effect on the test results?
What is column in chromatography?
What is the calibration of uv process and preparation
In Dissolution Test why limit is define Q+5% what is the role of +5%.
In IR spectra, generally a molecule vibrates without apply emr or ir light?
what is peak purity and its formula
what is third integration
Tell me about analytical method validation in QC
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
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 control room temperature and which guide line says?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6