Difference between hlaf and rlaf

717

How to check hplc detecter sensitivity?

260

what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

705

explain 5 components of gas chromatography ?

698

In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

1642

how to get accurate result for Residue on evaporation in purified water

308

What is method validation in quality control

2431

How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1130

Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

1354

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

600

mahagenco syllabus for the post of chemist

4930

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

298

What is the diference between residual solvents and organic volatile matter

712

4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

1311

Why to use propyl paraben in HPLC gradient calibration

714