What is the column performance and column efficiency?

2 Answers   Reddy Labs,

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Is sonication essential in solubility testing of a drug substance?

6 Answers   Aurobindo,

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1 % solution is equal to how much ppm

32 Answers  

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In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

0 Answers  

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When you get Moisture content by KF higher than by LOD, what does this indicate?

7 Answers  

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Please give idea about method development for cleaning method and how maco level establish

0 Answers  

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What are the factors effect peak shape in HPLC ?

2 Answers   College School Exams Tests,

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diference b/w packed &capilary columns

2 Answers  

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what is regration method in method validation , how we can calculate it.

3 Answers   Cipla, Sun Pharma,

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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

0 Answers  

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how to hplc calibrated

4 Answers   Dr Reddys, Glochem,

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Why caffeine as a reference standard used for calibration of HPLC?

11 Answers   Gangwal Chemicals, Orchid,

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