Pictogram 2: Flame Over Circle - Determining Oxidizers
OSHA notes that a chemical's oxidizing potential may "be determined by an examination of its chemical structure. For example, oxidizing substances usually include recognizable functional chemical groups, for example, perchlorate (ClO4-), chlorate (ClO3-), chlorite (ClO2-), hypochlorite (ClO-), peroxide (-O-O-), nitrate (NO3-), nitrite (NO2-), dichromate (Cr2O7), persulfate (S2O8), and permanganate (MnO4)."
However, OSHA also warns that "absolute certainty can only be properly established in the laboratory since oxidation involves not only the oxidizing potential of the oxidizer, but also the chemical formulation of the fuel with which it comes in contact."
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