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Can you please give a suitable definition and an example for understanding the words purity and potency.
6 11210why we get negative values in uv when i placed sample which has some concetration but not in standard
1 5202Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method
1 4693are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
Beni Suef University, Graviti Pharmaceuticals, Sri Krishna Pharmaceuticals,
1 2630In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?
4 12612Post New Analytical Chemistry Questions
In IR spectra, generally a molecule vibrates without apply emr or ir light?
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
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
UV and PDA detector, which have less signal to noise ratio?
how to select short coloum and long coloumn for new molecule
What is Band broading effect explain
which situation gc hs and gc als require to use?
Why sodium hydroxide used for maintain pH of phosphate buffer
WHAT IS THE USE OF STARTER ?????????
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
iam usig ph buffers merk. manually how to prepare ?
Why only 1.2 million lux hours require in photostability study?
What is rs test why we are performing rs test?
