Refers to such substances, especially if they make up more than 1% of the sample

, as major or significant components. These components are usually identified through analytical techniques such as chromatography, spectroscopy, or mass spectrometry. They can be organic or inorganic compounds and can include elements, minerals, proteins, carbohydrates, and many other types of molecules. Identifying these major components is vital for understanding the properties and functions of a material, as well as for quality control and regulatory compliance in various fields such as industrial manufacturing, pharmaceuticals, and environmental monitoring.