Non metallic particle of oxygen and carbonIn addition to oxygen and carbon hints of zinc and calciumpicture of particleSEM micrographEDX-analysis
Chip of carbon blackCarbon, oxygen and hints of sulfur - chip of carbon blackpicture of particleSEM micrographEDX-analysis
particle of carbon, oxygen and other elementsparticle of carbon, oxygen and other elementspicture of particleSEM micrographEDX-analysis