# Starch and Potassium Iodide Paper

Product ID: 019.1
Brand: Johnson Test Paper -UK

* Starch And Potassium Iodide Paper is used to measure the presence of oxidising agents such as nitrite, free chlorine, iodine and peroxide
* Also used to monitor diazotization reactions
* Oxidising agents react with potassium iodide to produce elemental iodine which in turn reacts with the starch to form a blue-violet colour reaction
* The paper can be dipped into the sample or drops can be placed on it
* The paper is moistened with distilled water to detect oxidising gases