class of solvent regarding
Residual solvent
e.g. Acetone his class
If i performing one analysis on C8column then the same analysis done on C18 column then what will happen about Rt;Resulution;Peak shape Explain ?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
Why potassium hydrogen pthalate is used for perchloric acid And naoh. Why it is used for both acid and base
6 Answers Vijayasri Chemicals,
What is the column performance and column efficiency?
Which are the diffrent grades of api in pharma?
How to fix the sample concentration in related substances development.
3 Answers Novartis, Watson Pharmaceuticals,
what are the normalisation, internal standard and external standerd methods in HPLC.
wt is difference between assay and purity in hplc?
What is descriminatory disolution medium ?
3 Answers Cipla, Graviti Pharmaceuticals,
When ever we perform system suitability,inject the corresponding standard 6 times why? is thair any reson
is there any material other than caffene to calibrate hplc detector
How to caluculate the RRF and correction factor in hplc
1 Answers Alkem Labs, Aurobindo, Rakshit Drugs, SDLPL,