priciple of gc & hplc? (properly describe)

2 Answers   Cadila, Cipla, Reddy Labs,

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What is difference between known and unknown impurities

1 Answers   Sun Pharma,

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What is Fourier Transform Spectrosopy?

5 Answers   Aurobindo, Hetero, Lupin,

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why we are using in ph calibrations ph4,7,9.2 buuffers only?

3 Answers   Reddy Labs, Unichem,

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what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

0 Answers  

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when we use pda detector in hplc instead of uv detector

6 Answers   Hetero,

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in which situation require to use paddle and basket?

0 Answers  

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WHICH PRESSURE IS HIGH EITHER INJECTOR OR DETECTOR IN GAS CHROMATOGRAPHY

4 Answers   Avon Organics, Dr Reddys, Reddy Labs,

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What is the difference of time between two consecutive injections in HPLC?

2 Answers   Nectar Lifesciences,

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

0 Answers   ABC,

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How we will choose pH of a mobile phase if analyte pKa value is 4

2 Answers   Celon Labs, Laurus,

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i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...

2 Answers   Glochem,

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