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ISO 1388-3:1981Ethanol for industrial use -- Methods of test -- Part 3 : Estimation of content of carbonyl compounds present in small amounts -- Photometric methodstandard by International Organization for Standardization, 12/01/1981
ISO 1388-4:1981Ethanol for industrial use -- Methods of test -- Part 4 : Estimation of content of carbonyl compounds present in moderate amounts -- Titrimetric methodstandard by International Organization for Standardization, 12/01/1981
ISO 1388-11:1981Ethanol for industrial use -- Methods of test -- Part 11 : Test for detection of furfuralstandard by International Organization for Standardization, 12/01/1981
ISO 619:1981Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric methodstandard by International Organization for Standardization, 12/01/1981
ISO 1388-12:1981Ethanol for industrial use -- Methods of test -- Part 12 : Determination of permanganate timestandard by International Organization for Standardization, 12/01/1981
ISO 5377:1981Starch hydrolysis products -- Determination of reducing power and dextrose equivalent -- Lane and Eynon constant titre methodstandard by International Organization for Standardization, 12/01/1981
ISO 5351-1:1981 [ Withdrawn ]Cellulose in dilute solutions; Determination of limiting viscosity number; Part 1 : Method in cupri-ethylene-diamine (CED) solutionstandard by International Organization for Standardization, 12/01/1981
ISO 4385:1981Plain bearings - Compression testing of metallic bearing materialsstandard by International Organization for Standardization, 12/01/1981
ISO 6536:1981 [ Withdrawn ]Bank operations - Standard scheme for drawing listsstandard by International Organization for Standardization, 12/01/1981
ISO 4849:1981Personal eye-protectors - Specificationsstandard by International Organization for Standardization, 12/01/1981
ISO 4498-2:1981Sintered metal materials, excluding hardmetals - Determination of apparent hardness - Part 2 : Case-hardened ferrous materials, surface enriched by carbon or carbon and nitrogenstandard by International Organization for Standardization, 12/01/1981
ISO 3529-2:1981Vacuum technology -- Vocabulary -- Part 2 : Vacuum pumps and related termsstandard by International Organization for Standardization, 12/01/1981