How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
NCL,
2858How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
NCL,
3380full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?
10 35250why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?
25 116688why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?
7 26471can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????
2 8895Post New Analytical Chemistry Questions
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
How we can identify process related and degradation impurity in single method with short period?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
What is the difference between spectro meter and spectro photo meter?
How to determine water content of bis tetrazole amine mono ammonium salt
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
How to start the dissolution development for unknown tab?
Why six unit used for precision?
why multimedia dissolution require to do?
How to do regeneration of Metacarb Pb plus column?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
In rs method development when we are going area normalization method to dilute standard method?
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
what is the purge flow & how to calculate