The Color and Magnetic Properties of Urban Dust to Identify Contaminated Samples by Heavy Metals in Mexico City Metropolitan Area

Particles from gasoline-powered vehicle combustion often contain dark or black magnetic iron oxides. This work evaluates color variations and heavy metal concentrations in urban dust by separating magnetic particles. We used a high-power magnet to separate the magnetic particles of 30 urban dust sam...

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Bibliographic Details

Published in:	Atmosphere
Main Authors:	Alexandra Méndez-Sánchez, Ángeles Gallegos, Rafael García, Rubén Cejudo, Avto Goguitchaichvili, Francisco Bautista
Format:	Article
Language:	English
Published:	MDPI AG 2025-03-01
Subjects:	CIE L*a*b* magnetic particles pollution RGB urban road
Online Access:	https://www.mdpi.com/2073-4433/16/4/374