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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 4764:2024

ISO 4764:2024 Plastics – Polyols for use in the production of polyurethanes – Determination of degree of unsaturation by using iodine method

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Description

This document specifies a method for quantifying the total unsaturation using an addition reaction of the interhalogen compound iodine monochloride (ICl), using glacial acetic acid as a solvent as a method for measuring the total unsaturation of a polyether polyol for polyurethanes. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.

Edition

1

Published Date

2024-09-16

Status

PUBLISHED

Pages

9

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies a method for quantifying the total unsaturation using an addition reaction of the interhalogen compound iodine monochloride (ICl), using glacial acetic acid as a solvent as a method for measuring the total unsaturation of a polyether polyol for polyurethanes. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.

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