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SRPS ISO 1388-8:2014

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

Feb 28, 2014

General information

90.93     Nov 29, 2023

90.20    Oct 15, 2028

ISS

H047

International Standard

71.080.60  

English  

Plan za 2013. godinu.

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS H.B8.239:1988

NOW

PUBLISHED
SRPS ISO 1388-8:2014
90.93 Standard confirmed
Nov 29, 2023

Related project

Adopted from ISO 1388-8:1981