Which Zone of our country like conducting of Stability studies(Accelerated & Long term stability studies)as per ICH guidelines.

4 Answers  

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What is the limit for single maximum impurity limit as per USP??

1 Answers  

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which detector is used in IR

3 Answers   Hetero,

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Why using Holmium oxide in UV calibration

8 Answers   Dr Reddys, Matrix, Nakoda Chemicals, Orchid,

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why we cannot analysis below 200nm in u.v?

2 Answers  

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what does optical rotation and specific rotataion means,difference between them

8 Answers   CPL, Neuland,

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why we are analyzing purity on HPLC why not in gc

3 Answers   Aurobindo, Reddy Labs,

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calibrtion procedue of LC-MS

0 Answers   GVK, Matrix,

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what is stability study ? why it is needed and how itis done

2 Answers   Dr Reddys, RB,

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what is the Bracketing & Matrixing.

8 Answers   Dr Reddys, Ranbaxy,

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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?

2 Answers   Torrent Pharma,

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principle of FTIR

2 Answers   Biocon, Macleods,

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