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 20368plz 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 3797In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?
1 7979How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
3 6538How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
1941Post New Analytical Chemistry Questions
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
what is definition of validation? which components are followed give detail?
what is third integration
How to set analytical specification for combination products?
how can give the expiry period and restadardisation of volumetric solution
Related substance method equivalency on control sample or spiked sample?
what is mean by extactable and leachable study?
all types of questions asked at the cipla interview
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
How to start the dissolution development for unknown tab?
what is biorelivent dissolution media?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
why digestion require in icpms?
how require to interprit the method precision data of hptlc?
