Beijing PM2.5 Air Pollution particles lodged in face mask material, under an electron microscope, Beijing University of Chemical Technology, Liu Yong, photo2
Fool, it does not take, to believe that the terrible air pollution in Beijing and Northern China, is not fog, and is hazardous to your health. These images are taken with an electron microscope proves the point.
Liu Yong (刘勇), doctoral student from the Beijing University of Chemical Technology (北京化工大学) took these photos of face mask material after about 8 hours of use. The pollution particles lodged into the face mask material was analyzed for hazardous materials. Found were calcium carbonate (碳酸钙), iron oxide (氧化铁), sulfate (硫酸盐)。 The masks are MaiXingRen 霾星人 brand, though the article does not specifically state this.
