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what are the standard methods for HPLC?
what you do when compound having dwel wavelength?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
what is mean by extactable and leachable study?
how require to fix the linearity and accuracy cincentration range?
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what type of question will ask in the interview of lab chemist.
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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
how you confirm the assay method?
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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
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
what is the extinction coefficient for Indomethacin or at 319nm wave length.
