Reference number
ISO 1388-12:1981
ISO 1388-12:1981
© ISO 2024
International Standard
ISO 1388-12:1981
Ethanol for industrial use — Methods of test — Part 12: Determination of permanganate time
Edition 1
1981-12
1981-12
ISO 1388-12:1981
5954
Publicado
(Edición 1, 1981)
Esta publicación se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
The principle is based on the addition of a test portion, under specified conditions, of potassium permanganate solution. Determination of the time taken for the colour of this test solution to match that of a cobalt(II) chloride and uranyl nitrate colour standard. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.
Ciclo de vida
-
Anteriormente
RetiradaISO/R 1388:1970
-
Ahora