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Why dissolution test apparatus calibration with salycilic acid tablets was stopped by FDA&USP from the year of 2009?
1 9121Post New Analytical Chemistry Questions
What is the diffrence in japan mkt requirement in analytical method validation over US?
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.
if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?
What is the main difference between ODS1 and ODS2 Hplc column.
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
Colorimtry
Why sodium hydroxide used for maintain pH of phosphate buffer
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
what is the origin to prepare standard operating procedure
why digestion require in icpms?
WHY given much noise PDA dector then VWD Dector
What is third generation HPLC Columns?
iam usig ph buffers merk. manually how to prepare ?
What is a difference between potency and purity?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
