Answer / krishna nalle

peak shape was mainly effected by performance of column if the column efficiancy was not good then peak shape was not good

Answer / chan

It depends on column efficiency, pH of buffer and column temperature.

use of stry light

1 Answers  

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What should be the level/ Percentage of Arsenic in Arsenic free zinc.

0 Answers   FDC, Laurus, Pharmaceutical,

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

0 Answers   Pfizer,

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what is diffrence between Specific optical rotation, optical rotation?

3 Answers  

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using gradient pressure in gas chromatography are not ?using gradient pressure why

0 Answers   Reliance,

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Is it compulsory to prepare KBr disc with sample in identification test by FTIR?

2 Answers  

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in calibration of disintegration test apparatus why cycle limit is 28-32?

2 Answers   Caplin Point,

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Why sulpuric acid only used to ROI but not used nitric acid and some other acids?

7 Answers   Cadila, Laurus, Ranbaxy,

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A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?

2 Answers  

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how to prepare 5 normality of h2so4 solution

3 Answers   Symbiotec,

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how do u optimise hplc method

1 Answers  

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difference between precision & accuracy.

1 Answers   Laurus,

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