Unit Three, Chapter Thirty Six - Gravimetric Analysis Flashcards
1
Q
What is gravimetric analysis?
A
A method used to determine the mass of an element or compound in a substance
2
Q
What are the two types of gravimetric analysis?
A
Precipitation and volatilisation
3
Q
In precipitation conversion, the substance undergoes a precipitation reaction…
A
The precipitate is separated from the filtrate and the filtrate is tested to ensure the reaction has gone to completion. The precipitate is washed, dried to constant mass, and then weighed.
4
Q
In volatilisation conversion…
A
The substance is heated and any volatile products (often water) are evaporated. The substance is heated to constant mass and the final mass recorded.
