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:

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