Which type of particle analysis is used to detect rust?

Ferrous analysis is the correct choice for detecting rust because rust is primarily composed of iron oxide, which forms when iron reacts with oxygen and moisture in the environment. This type of analysis specifically focuses on the presence of iron and its compounds, making it highly suitable for identifying rust-related issues.

Ferrous analysis typically involves testing for iron content in various materials, which is essential for understanding the corrosion state of metal structures. Since rust directly relates to the oxidation of iron, this analysis plays a crucial role in assessing the integrity of ferrous materials, leading to better maintenance and reliability practices.

In contrast, non-ferrous analysis deals with metals that do not contain significant amounts of iron and would not be effective in detecting rust. Oxidative analysis typically refers to assessing the overall oxidation state of various materials but is not specifically tailored to identifying rust. Polymeric analysis focuses on organic compounds and polymers, which are unrelated to rust detection in metal components.