TY - GEN AU - Guttman, Charles M AU - Maurey, John R AU - Verdier, Peter H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1992-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4837 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1992 TI - Determination of the weight average molecular weight of SRM 1480: ER -