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SRPS ISO 2227:2014

Formaldehyde solutions for industrial use — Determination of formaldehyde content

Feb 28, 2014

General information

90.93     Oct 20, 2023

90.20    Oct 15, 2028

ISS

H047

International Standard

71.080.80  

English  

Plan za 2013. godinu.

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Scope

The specified method is applicable to HCHO contents between 25 5 and 45 %. The field of application may be extended by siutably modifying the mass of the test portion. The principle consists in the reaction of the test solution with a neutral sodium sulphite solution, and acidimetric titration of the liberated sodium hydroxide in presence of thymolphthalein as indicator.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS H.B8.270:1983

NOW

PUBLISHED
SRPS ISO 2227:2014
90.93 Standard confirmed
Oct 20, 2023

Related project

Adopted from ISO 2227:1972