Answer / praveen kumar

UV Light & Visible light

from compund pka value how to select buffer and column?

2 Answers   Emcure, Zydus Cadila,

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why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

11 Answers   Aurobindo, GVK, Sohan Healthcare,

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are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????

1 Answers   Beni Suef University, Graviti Pharmaceuticals, Sri Krishna Pharmaceuticals,

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mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)

1 Answers  

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[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

0 Answers  

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we run the same sample in same method in different flow rates in HPLC,any changes in sample analysis?

2 Answers  

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

2 Answers  

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What is impurities in pharma analysis?

1 Answers  

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what are the basic requirement for the WHO audit?

1 Answers   BioPlus,

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how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

1 Answers   Cipla, Ortin Labs,

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From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?

2 Answers   Nectar Lifesciences,

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what is the dipolement and how it is related to IR

1 Answers   AJ Square Inc, Aurobindo,

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