The technique illustrated is used to analyse chemical substances in a sample - HSC - SSCE Chemistry - Question 2 - 2023 - Paper 1

The technique depicted in the illustration is Atomic Absorption Spectroscopy (AAS). This technique involves the use of a lamp to produce light, which then passes through a flame containing the sample. The flame atomizes the sample, allowing the characteristic wavelengths of light emitted or absorbed by the elements to be analyzed using a prism or monochromator and detected. This method is widely used for determining the concentration of various chemical elements in a sample.