be careful NAC is a great standard, but it is not certified, and different batches of the material have different broadening.... Nice to calibrate the angles, pay attention to calibrate the FWHM.
---------------------------------------------------- Prof. Gilberto Artioli Dipartimento di Scienze della Terra Universita' degli Studi di Milano Sezione di Mineralogia Via Botticelli 23 I-20133 Milano tel: 39-02-5031 5609 fax: 39-02-5031 5597 personal e-mail: [EMAIL PROTECTED] secretary e-mail: [EMAIL PROTECTED] url: http://iummix.terra.unimi.it/~artioli/start.html -----------------------------------------------------
