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Jodostärke-Papiere 50 St. Zinkoxid com website addressIodine Starch Papers Technical information about chemical reagents: Product type: indicator papers saturated with starch and iodine Form: Solid (indicator paper) Initial color: Light brown to brown Reaction: Color change in the presence of free chlorine and oxidizing agents Grade: Laboratory Examples of professional applications in various industries: Chemical laboratories: Detection of the presence of oxidizing agents, particularly free chlorine