TY - GEN AU - Arnold,D R TI - Determination of sulfur trioxide in engine exhaust SN - 0091-6765 PY - 1975///1204 KW - 1-Propanol KW - Automobiles KW - standards KW - Equipment and Supplies KW - Oxidation-Reduction KW - Sulfur Dioxide KW - analysis KW - Sulfur Oxides KW - Vehicle Emissions N1 - Publication Type: Journal Article UR - https://doi.org/10.1289/ehp.7510117 ER -