@article{JRC18751, address = {}, year = {2000}, author = {Ding T and Valkiers S and Kipphardt H and De Bievre P and Taylor P}, abstract = {Abstract not available }, title = {The Preparation of two Synthetic Isotope Mixtures for the Calibration of Isotope Amount Ratio Measurements of Sulfur.}, type = {}, url = {}, volume = {197}, number = {}, journal = {Intern. Journal of Mass Spectrometry}, pages = {131-137}, issn = {}, publisher = {}, doi = {} }