Showing posts with label volumetric. Show all posts
Showing posts with label volumetric. Show all posts

Thursday, June 20, 2019

Precipitation Titrations

Have you ever tried to determine the chloride concentration in a water sample using gravimetric analysis? It's pretty tricky! There must be a better way .....
There is .... precipitation titrations (also known as argentimetric titrations or argentometric titrations).
AUS-e-TUTE has just added a new tutorial, game, test, exam and practical activity on this topic for members.
If you are not a member, you can access a "free-to-view" tutorial at
 https://www.ausetute.com.au/pptitration.html

Friday, July 17, 2015

HCl as a Primary Standard?

Question: Why is HCl not suitable as a primary standard?
Answer:  There are three main reasons why HCl is not suitable as a primary standard:
  • HCl is not a solid at room temperature and pressure. 
  • HCl cannot be obtained at a very high purity.
  • HCl does not have a high molecular mass.
You can find out more about what makes, and does not make, a primary standard at:
http://www.ausetute.com.au/titrstand.html