what does 'n' stands for in spectroscopy?give the formula.
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Which std. used for standrdisation of ZnSO4?
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
Why sodium hydroxide used for maintain pH of phosphate buffer
about method developement in hplc
plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration
Why 162 mg NaOH used for 1N volumetric solution in 150 ml water then 54.5 ml diluted with 1000 ml
what is a differance between assay by HPLC and assay by titration?
In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?
What is the b/W dead volume and dwell volume ?
suppose i give three compounds A,B,C how do u calculate assay of those three componds which method do u prefer
what is partion and column chromatography
how to prepare 25 ppm acetone. explian with formula