Answer / ram kumar

Firstly the basic difference is no. of Carbon atoms. C-18 has higher retention and Hydrophobicity as compared to the C-8.

What is the difference between Capillary column and Packed column.

7 Answers   Cipla, Hetero, Sun Pharma, Supreme Petrochem,

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what is the difference betwen the analytical column & peparative column?

4 Answers  

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Difference between c18

6 Answers   Apothecon, Dr Reddys, Intas, IPQA, SUN, Torrent Pharma,

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What is difference b/w IR&NIR

1 Answers   Apotex,

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Why do we use KCl ,K2Cr207,Toulene & Halonium oxide for the caliberation of UV

2 Answers   Apotex,

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Why pyrene is also use for calibration if detector

1 Answers   Cipla, Dr Reddys,

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Why only lead standard solution is uesd to perform heavy metal test.

2 Answers   Reddy Labs,

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what is diffrence between Specific optical rotation, optical rotation?

3 Answers  

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what does 'n' stands for in spectroscopy?give the formula.

0 Answers   Laurus,

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What is cut off value of solvent used in hplc

1 Answers   Pfizer,

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What is the lab normality??

3 Answers   DRL, Tagros,

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if the flow rate is increases then any changes in retention time in hplc

1 Answers  

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