ACKNOWLEDGMENTS
We thank Eric Amis, Clive Bosnyak, Jim Chou, Chris Christenson, Rich Fibiger, Glenn Fredrickson, Ed Garboczi, Juan Garcés, and Dave Moll for helpful discussions. We also thank Giovanni Nisato and Richard Parnas for their helpful comments on our paper. This work was supported in part by the government under Cooperative Agreement No. 70NANB7H3028, awarded by the Department of Commerce, National Institute of Standards and Technology.
Notes
1According to ISO-31-8 Citation[15], the term molecular weight has been replaced by the technically more correct term relative molecular mass. The older, more conventional notation for number-average and weight-average molecular weights is utilized in this article.