Who's it for ? What's it for ?
Safety in a chemistry lab
The basics of lab experiments
Applications to drug analysis
Applications to food analysis
Experimental methodologies

Analysis of a spring water

Introduction
A little theory
Illustrating theory
Get some practice
To find out more

Navigation menu

Determination of sodium ions using a selective electrode (potentiometry)

How it works

The operating principle is the same as the standard glass electrode.

I answer now

I have already answered, my opinion has changed: I do answer again

I have already answered, my opinion is the same

I will answer later

Your opinion:

Usefulness of the CHIMACTIV website:

Your use of this website^*:

Before class
During class
After class
Other

Detail:

Your intend to visit this website again:

^* multiple answers possible

Your position:

Learner
Teacher
Teacher and researcher
Other

Detail:

Your user profile:

You are a:

Man
Woman

Your age:

15-19 years
20-24 years
25-29 years
30 years and over

Your degree:

High school
Bachelor
Master at University
University
Engineering school
Professional training
Other

Detail:

	    			Your age:
        			
25-34 years
35-44 years
45-54 years
55-64 years
65 years and over

        		
Your institution:
High School
Engineering school
Other

	        			Detail:
        				
        			
Your teaching levels:*:
High School
Bachelor of Sc.
Master
PhD
Other

	        			Detail:
        				
        			

        			multiple answers possible
        		

	    			Your age:
        			
25-34 years
35-44 years
45-54 years
55-64 years
65 years and over

        		
Your last academic degree:
Bachelor
Bachelor of Sciences
Master
Engineer
PhD
Other

	        			Detail:
        				
        			
Your status:
Professional training
Employed
Unemployed
Retired
Other

	        			Detail:
        				
        			
Your professional environment:
Research unit
R&D service
Quality control
Consulting
Other

	        			Detail:
        				
        			

Free comment:

To contact us chimactiv@agroparistech.fr