Mixing Chemicals

• Show Me

• Show Me

  Safe Handling of Chemicals

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  Types of Hazardous Chemicals

  • detergent and cleaners
  • pool chemicals
  • dry cleaning solvents
  • disinfectants

  Treat chemicals with care

  Familiarise yourself with the product.

  • Personal Protective Equipment (PPE)
  • how to use the product
  • how to store the product

  This information can be found on the labels or the Safety Data Sheet (SDS)

  Personal Protective Equipment (PPE)

  Some chemicals can be harmful when

  • inhaled.
  • contacted with skin.

  You may have to wear safety gear, such as:

  • masks.
  • gloves.
  • goggles.
  • breathing masks.

  PPE IS WORN TO PROTECT YOU.

  Using chemicals

  • Use strictly according to instructions.
  • May create toxic fumes, start a fire, or explode.
  • Mix correctly to avoid harm to people or damage to equipment.
  • Clean chemicals off food preparation areas completely to avoid contamination.

  TREAT CHEMICALS WITH CARE.

  Storing chemicals

  • Caps and lids must be secure.
  • Keep chemicals in the containers they come in.
  • NEVER store chemicals in food containers.
  • Storage should be in a specific area.
  • Store away from foods to avoid contamination.
  • Do not store above head height.
  • Store on low shelves, eg below the dishwashing area.
  • Store in a cool place.

  SAFELY STORED CHEMICALS ARE SAFE CHEMICALS

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  Ratios

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  Click to read a summary of the video

  A ratio:

  • is a comparison between two things.
  • tells how one number is related to another number.
  • is a useful way of measuring ingredients.

  Ratios can be written using:

  • a colon (:) or the word 'to'.

  For example:

  The ratio of 1 part vinegar to 2 parts water (1:2) means that for every 100mL of vinegar you need 200mL of water.

• Say It

  There are 2 parts in this section.

  1. The Glossary

  The glossary lists the more difficult words related to the topic in alphabetical order. The glossary also gives the meaning for each word.

  2. Look, Cover, Write, Check!

  This activity gives you practice at remembering and writing the words from the glossary.

• The Glossary

• Do It

  Jump to Activities

• Do It: Understanding Basic Ratios

  Let's look at the following example:
  A chemical label requires you to mix 5 parts water to 1 part bleach. We can write this as 5:1 or 5 to 1

  Water

  
  Bleach

  

• Do It: Understanding Directions on Labels

  

Check It