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what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?
Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,
1 21338plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration
2 4849In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?
1 8933How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
3 7586How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
2353Post New Analytical Chemistry Questions
on saturation solubility study data how we can find out the bcs class of drug?
EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE
why octanol used to determine the partition coefficient ?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
what is the difference between potentiometric titration and karl fischer titration?
before starting analytical method valodation what you checking? and how giving preference to start validation?
Why we use potassium dichromate in uv calibration Exact reason behind it??
Identify problem faced when mass spectroscopy is used with HPLC system ?
what are the standard methods for HPLC?
What is shaking level in GC?
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
What is the formula for relative diffrence for standard solution in solution stability in validation?
if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?
what is mean by covalidation
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
