Question

What do you mean by primary and secondary standard substances?

Answer 1

Answer:

Secondary standard  Secondary standard is a chemical that has been standardized against a primary standard for use in a specific analysis. ...  A secondary standard is a substance which may be used for standardization  A secondary standard is a standard that is prepared in the laboratory for a specific analysis.

Answer 2

Explanation:

Secondary standard Secondary standard is a chemical that has been standardized against a primary standard for use in a specific analysis. A secondary standard is a substance which may be used for standardization A secondary standard is a standard that is prepared in the laboratory for a specific analysis.