In Number of Theoretical Plates (N) = 16 (tr/w)2.
where tr: retention time, and W: peak width.
My Question is here in formula what is 16.Can u explain
briefly?

---Veerabhadrarao.M

Answers were Sorted based on User's Feedback



In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My..

Answer / m.sivalingeswara rao

This belongs to statistical approach.Theoritical plates are
calculated by 4-Sigmamethod and 5-Sigma method.In 4-sigma
method the constant is 16 and in 5-sigma method constant is-
25

Is This Answer Correct ?    30 Yes 3 No

In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My..

Answer / chennusrinivas

No use from dat 16 or 25
values, Suppose 16
entered in denominator as a diff units.
Here changing units from original to our known format units,
its mean actually "tow " is converted in to "width".

Is This Answer Correct ?    2 Yes 2 No

In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My..

Answer / guest

16 giving to USP md

Is This Answer Correct ?    2 Yes 8 No

Post New Answer

More Analytical Chemistry Interview Questions

what is mean by theoritical plates(not formula) ?

4 Answers   Micro Labs,


In which cases factor of KF Reaget got higher side

2 Answers  


Why are using in Hi,zero air, Ni gass are used GC

5 Answers   Aurobindo, ELBS, Vimta Labs,


What are the factors effect peak shape in HPLC ?

2 Answers   College School Exams Tests,


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

0 Answers   Laurus,






What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.

7 Answers   Apotex, Cipla, GSK, Intas, Zydus Cadila,


How to decide the standard concentration for related substances hplc method

1 Answers  


What is Delay & Dead Volume

2 Answers  


How to calibrate glassware against std calibrated glassware?

3 Answers   Cadila, Hetero,


what is the difference between isocratic & elution technique?

3 Answers   Laurus,


define polar and non polar solvent

2 Answers  


for which type of applications gas chromatography is used?

5 Answers   Cipla, Flamingo Pharmaceuticals,


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)