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key components in gas chromotagraphy.
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why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?
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In partical size by malven,which parameter is generlly change for development of dry and wet method.
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 we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
what is difference between IR & FTIR ? how we calibarte both ? I want to know the procedure.
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
Why methanol & acetonitrile is mostly used for hplc analysis?
What is oot in Stability analysis? (example)
why we cannot analysis below 200nm in u.v?
Which Pharmacopiea follow calibration of HPLC,GC
what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY
on the basis of bcs class how to proceed the solubility?
Organic Chemistry 
