how to select short coloum and long coloumn for new molecule

1821

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

340

What is the use of tlc and hplc? And when and where use?

664

If combination product how require to identify which imp is of which api?

326

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

284

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

1322

Colorimtry

1177

about method developement in hplc

1220

what is biorelivent dissolution media?

308

why multimedia dissolution require to do?

310

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2428

please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1103

in sampling of raw material which side is pasted sampled labels

1249

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

313

how you start RS method development when for new product?

292