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wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
1 3368If mass balance is not passing in forced degradation in method validation that method is suitable or not?
1 9004Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?
1 7827Post New Analytical Chemistry Questions
which are the diffrent batches in the pharmaceuticals?
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.
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
What is the main difference between ODS1 and ODS2 Hplc column.
how much mass should be there in volumetric flask while in preparation of sample for assay?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
how to select short coloum and long coloumn for new molecule
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
why we should take dst factor for below 1%moisture samples
WHAT IS THE USE OF STARTER ?????????
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
