BS 1747-10: 1990 ISO 6767:1990 : Methods for Measurement of air pollution — Part 10: Determination of the mass concentration of sulphur dioxide in ambient air: tetrachloromercurate (TCM)/pararosaniline method
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This International Standard specifies a spectrophotometric method, known as the tetrachloromercurate (TCM)/pararosaniline method, for the determination of the mass concentration of sulfur dioxide in ambient air within the range of 20 µg/m3 to about 500 µg/m3.
BS 1747-10: 1990 ISO 6767:1990 : Methods for Measurement of air pollution — Part 10: Determination of the mass concentration of sulphur dioxide in ambient air: tetrachloromercurate (TCM)/pararosaniline method