How you collect dissolution media while in stirring condition of a basket or a paddle?2 2860
At what distance the sample is collected in dissolution basket?3 5471
why we use prednisone tablet in chemical callibration of dissolution apparatus?6 27640
Why Ethanol is Used for Standardization of GC Head space?2536
How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.2 5760
As per OOT for any product what is calculation and how to invetigate the OOT2 8518
Why used 0.02% v/v solution of toluene in hexane for calibration of UV.3 7868
Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?5 30904
How to decided test concentration in GC analysis.3 4437
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.1215
What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.4 15067
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
what is the origin to prepare standard operating procedure
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
What is viod volume and peak purity in HPLC?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
what is peak purity and its formula
why we use a particular hplc column for a particular compound give reasons?please
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
What is the principle of Thermal conductivity detector and FID?
How can the GC or HPLC method is selected to determine the impurity profile in drug product?