WHICH PRESSURE IS HIGH EITHER INJECTOR OR DETECTOR IN GAS CHROMATOGRAPHY4 6317
What is the procedure for UV-spectrophotometer calibration?6 53146
What should be the calibration procedure for wavelength accuracy in case of HPLC?4 10128
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 HPLC2 9144
full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?10 26598
why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?25 95912
why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?7 19300
why the same column give different retention time in hplc?7 10064
How will decide to use HPLC OR GC for developing method for unkown compund5 10712
can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????2 6424
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
why we are using benzene, anyline in acetic anhdride assay titration method?
How we can determine water content in piperazine
what is difference between zero air gas and o2 gas
using gradient pressure in gas chromatography are not ?using gradient pressure why
Which is the highly polar and highly non polar column in HPLC?
How to determine water content of bis tetrazole amine mono ammonium salt
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
Identify problem faced when mass spectroscopy is used with HPLC system ?
how the compound separate in coulunm,explain
how will you do the prep for unstable componds?
process of Diclofenac sodium,IP.
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development