• There are no items in your cart

ISO 1388-8:1981

Current
Current

The latest, up-to-date edition.

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
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

11-01-1981

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.

Committee
ISO/TC 47
DevelopmentNote
Supersedes ISO 1388 (04/2001)
DocumentType
Standard
Pages
3
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
UNE 55818:1985 Identical
NBN T 04 093 : 1983 Identical

DD ENV 13729:2000 Health informatics. Secure user identification. Strong authentication microprocessor cards

View more information
US$49.00
Excluding Tax where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.