WHICH PRESSURE IS HIGH EITHER INJECTOR OR DETECTOR IN GAS CHROMATOGRAPHY4 9358
What is the procedure for UV-spectrophotometer calibration?6 60329
What should be the calibration procedure for wavelength accuracy in case of HPLC?4 13972
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?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
How can we Qualify a unknown impurity by HPLC3 11841
full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?10 35000
why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?25 116191
why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?7 26268
why the same column give different retention time in hplc?7 14317
How will decide to use HPLC OR GC for developing method for unkown compund5 14216
can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????2 8836
which are the sizes of capsules?
What is intact assay method development.....?
if you get peak in blank then what require to do?
Why Ethanol is Used for Standardization of GC Head space?
which are the guidelines for force degradation studies?
What is the purpose of octyl silane columns?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
why octanol used to determine the partition coefficient ?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
In IR spectra, generally a molecule vibrates without apply emr or ir light?