The Department of Chemistry attempts to provide up-to-date and accurate information, however the accuracy and completeness of the information cannot be guaranteed. The Department of Chemistry has the right to change or delete some or all of the information on this site at any time without notice. Where the Department of Chemistry provides direct or indirect references (i.e. links) to external websites, it is liable only if the Deparment has precise knowledge of the content and if it is technically possible and reasonable for it to prevent use in the event that they contain unlawful content. The Department of Chemistry hereby expressly states that the linked websites had no illegal content when the links were set up.