TY - RPRT TI - The mass spectra and isotopic purity of compounds proposed for use in the "master analytical scheme for the analysis of organic compounds in water AU - White, E V AU - Welch, M J AU - Hertz, H S PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-2160 DO - 10.6028/NBS.IR.80-2160 ER -