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BS 6069-4.1:1990 Characterization of air quality. Stationary source emissions. Method for the determination of the mass concentration of sulphur dioxide: hydrogen peroxide/barium perchlorate/Thorin method
standard by BSI Group, 02/28/1990
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Applicable to gas concentrations of sulphur dioxide above 30 mg/m^3 with a sampling period of 30 minutes. Applicable to emissions from combustion facilities and technical processes with negligible amounts of sulphur trioxide and sulphuric acid.Cross References:
BS 1756:Part 1
BS 3978
ISO 6879
All current amendments available at time of purchase are included with the purchase of this document.