Mull -

Contrast simple comprehension with the deeper understanding required to explain or "teach" a subject.

Explain how this allows for the analysis of materials that do not dissolve easily or cannot be made into KBr pellets.

2. Scientific Methodology: The "Mull" Technique in Chemistry

The technique involves grinding a solid sample with a heavy oil (typically Nujol ) to create a thick paste, which is then squeezed between salt plates.