標準號：ISO 1388-8-1981
中文標準名稱：工業用乙醇 試驗方法 第8部分:甲醇含量的測定(0.10～1.50%(V/V)的甲醇含量) 目測比色法
英文標準名稱：Ethanol for industrial use; Methods of test; Part 8: Determination of methanol content (methanol contents between 0,10 and 1,50 % (V/V)); Visual colorimetric method
標準類型：G15
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：G15
國際標準分類號：71.080.60
適用范圍：The principle is based on the conversion of the methanol present in a test portion to formaldehyde by oxidation with a solution of potassium permanganate in phosphoric acid. Reaction of the formaldehyde formed with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of formaldehyde. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.