What equipment is needed for a flame test?

 

1. Bunsen Burner or Spirit Lamp: Used to provide a source of flame. The most common flame source is the Bunsen burner, which uses a mixture of gas and air to create a high temperature flame. An alcohol lamp is another simple flame source that can be used for flame testing.

2. Test tube or refractory dish: used to hold the substance to be tested. Test tubes are generally used for testing smaller quantities of samples, while refractory vessels are suitable for larger samples or when the color of the flame needs to be observed.

 

3. Tweezers or Flame Clamps: Used to safely manipulate samples and utensils in experiments to avoid flame burns.

 

4. Visual observation tool: used to observe and record the color of the flame. It can be observed directly with the naked eye, or with the help of other aids, such as lights or filters, to enhance or change the color of the flame.

 

It should be noted that the flame test involves flame and high temperature, so it is important to follow the laboratory safety regulations and take appropriate safety measures, such as wearing protective glasses and laboratory gloves, to ensure the safety of the experimental operation.