Paper Chromotography Flashcards
What type of process is paper chromatography ?
A physical process
Due to the type of process that paper chromatography is what does this mean ?
Does not involve a chemical reaction
What does paper chromatography allow us to do ?
Separate substances based on their solubilities
What is the method for chromatography ?
Take a piece of chromatography paper and draw a pencil line near the bottom
Put a dot of color A on the line and a dot of color B there can be multiple colors aslong as there is space
Then place the bottom of the paper into a solvent
The solvent now makes its way up the paper and dissolved the ink which is carried up the paper by the solvent
What is a solvent ?
A liquid that will dissolve substances
What is the paper called ?
The stationary phase because it does not move
What is the solvent called ?
The mobile phase because the solvent moves
If a color only has one dot what does this mean ?
It’s a pure color however if there are multiple dots it’s a mixture of two colours
What will a pure compound produce ?
A single spot in all solvents
What will a more soul ale substances be attracted to?
The mobile phase ( the solvent) so it will travel further than a less soluble substance
Why is the line drawn in pencil ?
If it was draw in pen the pen ink could dissolve in the solvent
