how is O3 estimated quantitatively?
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It is estimated with the help of potassium iodide , when ozone and potassium iodide react, iodine is liberated, now this iodine is the trated against a stand solution of sodium thiosulphate using starch as an indicator
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Hey !!
When ozone reacts with an excess of potassium iodide solution buffered with a borate buffer (pH 9.2), iodine is liberated which can be titrated against a standard solution of sodium thiosulphate. This is a quantitative method for estimating ozone gas.
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