What is the equation that describes the efficiency of chromatographic columns?

Chromatography Efficiency Quiz

Quiz
•
Others
•
University
•
Hard

Fatima dhaher
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Newton's second law
van Deemterequation
Boyle's law
Einstein's equation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term A represent in the van Deemterequation?
Column length
Diffusion coefficient
Multipath effects (eddy diffusion)
Retention factor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term B represent in the van Deemterequation?
Retention factor
Multipath effects (eddy diffusion)
Diffusion coefficient
Column length
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term C represent in the van Deemterequation for the stationary phase?
Diffusion coefficient of the analyte in stationary phase
Thickness of liquid coating on stationary phase
Diameter of packing particles
Retention factor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term C represent in the van Deemterequation for the mobile phase?
Diffusion coefficient of the analyte in mobile phase
Diameter of packing particles
Thickness of liquid coating on stationary phase
Retention factor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of eddy diffusion on band broadening in chromatography?
It is independent of solvent velocity
It is not affected by the quality of the packing
It is directly proportional to the linear velocity of the mobile phase
It decreases with high mobile phase velocities
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the B term and the linear velocity of the mobile phase?
Directly proportional
Inverse proportional
No relationship
Exponential relationship
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
Quiz Time!

Quiz
•
University
15 questions
Exploring ICT in Education

Quiz
•
University
10 questions
Managing Interdependence Social Responsibility and Ethics

Quiz
•
University
8 questions
SEGURIDAD EN EL SISTEMA DE ALMACENAMIENTO

Quiz
•
University
10 questions
Individual activity / Quiz | Quizizz

Quiz
•
University
12 questions
Technology-based Interactive Teaching Strategy

Quiz
•
University
10 questions
Nymph's

Quiz
•
University
14 questions
Advertising Quiz 1

Quiz
•
University
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade