Show method 0 of f measuring ozone before long it Is likely that among other attractions of a seaside resort may be included announcements of the pr proportion op of ozone in the air experiments have shown that it la Is possible to discover the amount of ozone in the air with fair accuracy slips of white blotting paper are soaked in a solution of iodide of potassium and starch these protected from sunshine and rain are exposed to the air for or a definite period according to the amount of ozone present so Is the Paper aper colored in varying shades of yellow it if ozone Is abundant the paper will be of a very deep shade |