Isogeochemists: I have received about 3 or 4 requests for vendors for sodium polytungstate during the past couple of months, so I thought I would post the information to the list in case others are interested. Note that my original post on sodium polytungstate was over two years ago, and there were a few additional posts by others. Those curious should check the Isogeochem archives. Here are a few vendors for sodium polytungstate: Geoliquids 15 East Palatine Rd., Suite 109 Prospect Heights, IL 847-215-0938 (Voice) 847-215-9821 (FAX) Sometu Falkenried 4 D-14195 Berlin Germany (030) 832 19 50 (Voice) (030) 831 61 75 (FAX) Sometu-US 5659 Noble Avenue Van Nuys, CA 91411 818-786-4343 (Voice & FAX) Contact: Mark Miehe Alfa Aesar 30 Bond St. Ward Hill, MA 01835-8099 800-343-0660 (Voice) 800-322-4757 (FAX) Aldrich Chemical Co. 1001 West Saint Paul Ave. Milwaukee, WI 53233 800-558-9160 (Voice) 800-962-9591 (FAX) Geoliquids and Sometu carried the material in a more convenient but probably more expensive liquid form, whereas the others carried it in powdered form. Steve --------------------------------------------------------------------------- Stephen S. Howe Office: (518) 442-5053 Dept. of Earth & Atmos. Sciences Stable Isotope Lab: (518) 442-4471 Earth Science 352B FAX: (518) 442-5825 University at Albany E-mail: [log in to unmask] 1400 Washington Avenue http://www.albany.edu/geosciences/sshowe.html Albany, NY 12222-0001 ---------------------------------------------------------------------------