Industrial methanol analysis
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The significance of various analysis parameters for industrial methanol, and how to determine actions to take when levels exceed the limits? Specific examples include sulfuric acid washing tests, carbonyl compound tests, acid and water solubility tests, potassium permanganate tests, boiling range, etc.
GB338-2011, as well as the American AA standard, specify clear requirements for the analysis of various parameters related to methanol. For example, potassium permanganate > 50 minutes. Potassium permanganate is a strong oxidizing agent used to detect reducing substances in methanol; a longer testing time indicates fewer reducing substances.