In Analytical method development related substance method when did follow w/w method when did follow area normalisation method2 10335
In Analytical method development related substance method when did follow w/w method when did follow area normalisation method5 9838
What is Signal to noise ratio?3 8967
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?2299
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?9 8642
What is the purpose & importance of using the polystyrene film in ir calibration?3 9311
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?1302
why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?1 4722
why 0.02% solution toluene &noHexane using in uv calibration?1 5893
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
what is %labelled amount in content uniformity of dosage unit and its calculation?
what is peak purity and its formula
What is the difference between purge septum flow and column flow in gas chromatography?
Identify problem faced when mass spectroscopy is used with HPLC system ?
how to get accurate result for Residue on evaporation in purified water
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
Why we check moisture,ash & AIA in product
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?
if you have given a blank water how you analyse by general analytical techniques?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
why we are using benzene, anyline in acetic anhdride assay titration method?