What is the procedure for investigation of an OOS (Out of specification) results?

4 Answers   Biocon, Dr Reddys, Reddy Labs,

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how to prepare low ppm solution from high ppm solution ?

1 Answers  

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what is the diference between spectroscopy and chromatography

2 Answers   Cipla, PharmChem, Reliance,

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Why we inject a standard 6 times for Related substances by HPLC and 5 times for Assay?

3 Answers   GVK,

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What is Temperature ?

2 Answers   Reddy Labs,

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How we can analysed unknown sample by hplc....

2 Answers   Archimedes,

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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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How to start the dissolution development for unknown tab?

0 Answers   IPCA,

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Why forced degradation studies are performed in hplc method validation?

6 Answers   Apex,

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What are the terms used during Melting Range Analysis ?

2 Answers  

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how to correct peak when peak comes broader in shape? How to do calibration of HPLC?

2 Answers   Mankind,

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on saturation solubility study data how we can find out the bcs class of drug?

0 Answers  

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