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ISO 1388-4:1981 Ethanol for industrial use — Methods of test — Part 4: Estimation of content of carbonyl compounds present in moderate amounts — Titrimetric method
ISO 1388-5:1981 Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual colorimetric method
ISO 1388-9:1981 Ethanol for industrial use — Methods of test — Part 9: Determination of esters content — Titrimetric method after saponification
ISO 1388-11:1981 Ethanol for industrial use — Methods of test — Part 11: Test for detection of furfural
ISO 1388-3:1981 Ethanol for industrial use — Methods of test — Part 3: Estimation of content of carbonyl compounds present in small amounts — Photometric method
ISO 1388-12:1981 Ethanol for industrial use — Methods of test — Part 12: Determination of permanganate time
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