Kieselsäure, Siliziumdioxid, SiO2; chemische Verbindung aus Silizium (Si) und Sauerstoff (O2).
This entry was posted on Sonntag, Dezember 1st, 2013 at 17:02and is filed under . You can follow any responses to this entry through the RSS 2.0 feed.
Both comments and pings are currently closed.
