Rzepa's message regarding chemical heritage is of great interesting. I have opportunity to encounter many very old chemical samples. Two years ago, the Nobelist J.-M. Lehn's laboratory at the France College in Paris had many chemical samples for our organization. We only removed organic samples. I remember there are many pure element samples, one of them is sodium in a sealed glass tube. It must be over 150 years old. Shu-Kun Lin --------------------------------------------------------- Dr. Shu-Kun Lin Molecular Diversity Preservation International (MDPI) Saengergasse 25, CH-4054 Basel, Switzerland MDPI http://www.mdpi.org/ Molecules: http://www.mdpi.org/molecules/ e-mails: Lin@ubaclu.unibas.ch Lin@mdpi.org Tel. +41 79 322 3379, Fax +41 61 302 8918 -------------------------------------------------------- chemweb: A list for Chemical Applications of the Internet. To post to list: mailto:chemweb@ic.ac.uk Archived as: http://www.lists.ic.ac.uk/hypermail/chemweb/ To (un)subscribe, mailto:majordomo@ic.ac.uk the following message; (un)subscribe chemweb List coordinator, Henry Rzepa (mailto:rzepa@ic.ac.uk)