Chemical analysis 2

• Parity formulations


  Formulations with a precise purpose that are made by following a set of instructions
• Purity


  A substance in its natural state with no additives
• A pure substance will only have one melting or boiling point
• Chromatography


  An analytical technique used to separate and identify components in a mixture
• The result of chromatography analysis is a chromatogram
• RF value


  The distance travelled by a substance divided by the distance travelled by the solvent
• The purer the sample


  The lower the RF value
• The closer the melting point to the actual melting point

  The purer the sample
• Solvent


  The liquid used in chromatography to move the components through the stationary phase
• Chromatography


  1. Mobile phase (can move, liquid or gas)

  2. Stationary phase (can't move, solid)
• The components will normally separate through the stationary phase based on how they distribute between the mobile and stationary phases</b>
• Chlorine bleaches litmus paper to white
• Carbon dioxide turns limewater cloudy
• Hydrogen makes a squeaky pop sound
• Product formulations allow consumers to choose a suitable product