What is discriminating media? How can u justify/select that which media (pH etc...)is suitable for your dissolution study of your compound?

5 Answers   Natco, SUN,

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why we multiply 1000 in the determination of kf factor ?

3 Answers   Stellence Pharm Science,

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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.

0 Answers  

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Explain about Low pressure gradient and High Pressure gradient systems in HPLC?

4 Answers   Mylan, Orchid, Roshanico,

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What is post run in hplc?

1 Answers   Cipla,

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1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation

1 Answers  

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difference between record & document ?

4 Answers  

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On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...

9 Answers   Cipla, Laurus, Micro Labs,

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why is salt andv ice used in liquifyiny SO2

1 Answers   Graviti Pharmaceuticals,

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what is difference between Performance check and Calibration?

1 Answers  

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What is the difference between ROI & sulphates ash?

1 Answers  

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Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

3 Answers   Reddy Labs,

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