How to use RF and rrf in Rs calculation( either multiply or divide)?

4 Answers   Micro Labs,

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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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How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?

1 Answers  

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I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

9 Answers   Midas Technologies,

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What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

1 Answers   LOIL,

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what is mean by covalidation

0 Answers  

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What is the difference between c8 and c18 hplc column?

1 Answers  

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How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.

2 Answers  

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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

0 Answers   Orchid,

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from compund pka value how to select buffer and column?

2 Answers   Emcure, Zydus Cadila,

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In Agilent HPLC calibration using Empower 3 Software, What is the criteria for GPV Baseline starting point? i.e., Either it can start from -0.00/+0.00 or any range is there like -0.05 to +0.05 or ......etc?

1 Answers   Apotex,

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What are the primary considerations in extractables and Leachables ?

0 Answers   Mylan,

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