<http://schema.org/datePublished>
"2013-10-02T01:20:47Z"^^<http://schema.org/Date>
<http://chemwiki.ucdavis.edu/Inorganic_Chemistry/Descriptive_Chemistry/Elements_Organized_by_Block/2_p-Block_Elements/Group_15%3A_The_Nitrogen_Family/Chemistry_of_Arsenic>