Figure 5. (b) EDX spectrum of the particle A, element with* is mainly due to the Pt/Pd alloy and the collecting surface

From

Aircraft Observation of Aerosol and Cloud-droplet Properties over the East China Sea Influenced by the Outflow of Asian Polluted Air

Deepak Aryal, Yutaka Ishizaka, Kikuo Okada

Journal of Atmospheric Pollution. 2015, 3(1), 22-30 doi:10.12691/jap-3-1-5