Kev ntsuas ntsuas ntsuas: Lub tshuab ntsuas UV ozone tau siv los sib piv cov ntsuas ozone ntawm 10 qhov kev xeem xaiv xaiv. Qhov kev ua yuam kev ntau ntawm +1% tau suav tias ua tau.
Tshuaj Titration: Cov txheej txheem tshuaj tau lees paub thoob ntiaj teb, poov tshuaj iodide / sodium thiosulfate titration, tau siv los txheeb xyuas ozone concentration. Kaum lub ntsiab lus xeem tau raug xaiv, thiab cov txiaj ntsig tau muab piv rau ntawm lub ntsuas ozone thiab 10 cov ntsiab lus tau sim siv cov tshuaj titration. Qhov kev ua yuam kev tau tswj tsis pub dhau +1%. Lub hauv paus ntsiab lus ntawm txoj kev potassium iodide titration yog tias muaj zog oxidant ozone reacts nrog poov tshuaj iodide, tso iodine rau hauv dej, tig nws tshuaj yej -xim. (Reaction formula: O3+ 2KI + H2O → O2 + I2+ KOH) Titration nrog sodium thiosulfate txheem tov hloov cov iodine dawb rau hauv sodium iodide. Qhov kawg ntawm cov tshuaj tiv thaiv yog ua tiav decolorization ntawm dej. (Reaction formula: I₂ + 2Na₂S₂O₃ → 2NaI + Na₂S₄O₆)
Ozone concentration: C=(Ana × B × 2400) / V₀ Unit (mg/l)
(Ceeb Toom: Ana ---- ntim ntawm sodium thiosulfate standard tov (ml); B---concentration ntawm sodium thiosulfate txheem tov (mol / l); V₀----- ntim ntawm lwm cov qauv coj mus kuaj ozone oxidation (ml))
