how calculate column dead volume in hplc ?

Answers were Sorted based on User's Feedback



how calculate column dead volume in hplc ?..

Answer / subash

we know that K= tr-to/to......1

to=vm/F
where Vm=Volume of mobile phase inside the column
F= Flowrate

Vm= 0.5Xsuare of col diameter(cm)X column lenght(cm)
For a 150mm*4.6mm
Vm=0.5*0.2116*15
Vm=1.587 mL

Is This Answer Correct ?    10 Yes 6 No

how calculate column dead volume in hplc ?..

Answer / jeegnesh zekadiya

Ï€r2l
3.14x(id/2)²xlenght
Exp= 0.150 Cm convert x(4.6/2)²x3.14
0.15x5.29x3.14= 2.49 Ded volume of coulnm

Is This Answer Correct ?    2 Yes 4 No

how calculate column dead volume in hplc ?..

Answer / torrent

Dead volume (ml)= 0.387*2(Column Diameter)*Column Length
Column Dia.and Length in cm

Is This Answer Correct ?    5 Yes 10 No

Post New Answer

More Analytical Chemistry Interview Questions

in api coa contains only process impurities and in product coa contains degradation impurities?

0 Answers  


why we use prednisone tablet in chemical callibration of dissolution apparatus?

6 Answers   Cipla, Mylan, Umedica Laboratories,


Which parameters require to do in tech transfer?

0 Answers  


How can you prepare 0.05M Ammonium acetate volumetric solution?

2 Answers  


What is the function of end capped column?

5 Answers   Cipla,






WILL YOU DRY DST BEFORE FACTOR DETERMINATION BY USING KARL FISHER TITRATOR

4 Answers   Aurobindo, Meghmani Organics,


what is titrent,& titrate

2 Answers   Graviti Pharmaceuticals,


If we have a kc is1*10^8 and the .kp 2*10^5 of reaction A------->B C------->D what is the volume of C?

0 Answers  


What are the six USP melting point reference standards?

1 Answers  


how you confirm the assay method?

0 Answers  


class of solvent regarding Residual solvent e.g. Acetone his class

1 Answers  


why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?

1 Answers  


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)