Paper chromatography

• what is chromotography

  chemical analysis technique used to sepearte substances in a mixture
• what is paper chromotography

  Separation technique used to seperate dyes in an ink
• what is a mobile phase

  molecules that can move in liquid or gas
• what is the mobile phase in chromotography

  solvent
• what is the stationary phase

  molecules that cant move
• what is the stationary phase in paper chromotography

  paper
• how do u calculate rf value

  rf=distance travelled by substances divide distance travelled by solvent
• what is the name given for the pencil line

  baseline
• what is the name of the resulting paper we end up with

  chromotogram
• what are some solvent commonly used in chromotgraphy

  water and ethanol
• why should we use pencil for the baseline rather then pen

  ink may be dissolved and mixed with a solvent ad move up the paper