what is the extinction coefficient for Indomethacin or at 319nm wave length.2448
how PH an important role in HPLC separation3 12045
Why the same type of columns showing different RT for a single product?6 8396
Shall i use a same hplc column for two different products.?3 5787
What is the difference between low pressure gredient and high pressure gredient in hplc instrument?3 8673
why did uyou choose analytical chemistry?1 1743
Is it compulsory to prepare KBr disc with sample in identification test by FTIR?2 6524
If we are getting split peak in Chromatogram,what we can do?7 11349
Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?7 9219
in dissolution why pool sample needed? in which type of drug pool sample need?
why we use a particular hplc column for a particular compound give reasons?please
What is column in chromatography?
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
What is control room temperature and which guide line says?
What is the calibration of uv process and preparation
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
How can I develope method of dissolution by HPLC OR UV
What are modes of quantification in related substances
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
pda detector mechanism?
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
Why irmoisture balance is used for corrugated box moisture testing