Can I read BS 01747-7-1983 (1999) Iso 4221-1980 on EtoBox?

BS 01747-7-1983 (1999) Iso 4221-1980 by nikkoelbao96 is a document available to read on EtoBox.

What is BS 01747-7-1983 (1999) Iso 4221-1980 about?

This British standard outlines a spectrophotometric method for determining the mass concentration of sulfur dioxide in ambient air using the Thorin method. It includes details on reagents, apparatus, sampling, procedures, expression of results, and test reporting. The method involves collecting an air sample, bubbling it through an absorption bottle containing an acidic potassium iodide solution to absorb the SO2, and then measuring the concentration of the resulting yellow iodine-trioxide complex photometr

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nikkoelbao96

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EN