Purity, formulations and chromatography

• a pure substance 


  Only has one thing making it up
• a mixture (impure substance)

  Made up of multiple elements or compouds
• Compound 


  two or more things chemically bonded together
• Mixtures are not chemically bonded together
• Chromatography is used to separate compounds
• Inks and dyes have an Rf value
• You draw the start line of a chromatography experiment in pencil since ink would mix/dissolve with solvent
• Solvent


  Liquid with a dissolved solute
• Solute


  A component in a solution dissolved into a solvent
• Solution 


  Liquid mixture
• Formulations 


  A mixture of compounds that have been measured out specifically

  Designed for specific uses