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What is the formula for relative diffrence for standard solution in solution stability in validation?
In which situation we require to prepare the standard solution from sample in Related substance method?
What is viod volume and peak purity in HPLC?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
What is delay volume?
how will you do the prep for unstable componds?
What is the principle of Thermal conductivity detector and FID?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
What is the difference between spectro meter and spectro photo meter?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
we can use expired sample for validation and analyst qualification?
How can we calculate offset value pH measurment
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
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.
