TY - RPRT TI - Certification of the relative molecular mass and the intrinsic viscosity of SRM 2885, a polyethylene AU - Guttman, C M AU - Maurey, J R AU - Blair, W R AU - Schultheisz, C R PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6454 DO - 10.6028/NIST.IR.6454 ER -