ISO/DIS 4802-1

Glassware — Hydrolytic resistance of the interior surfaces of glass containers — Part 1: Determination by titration method and classification

General information

Current stage: 40.20 Effective date: Dec 26, 2022

Originator: ISO

Owner: ISO/TC 76

Type: International Standard

ICS: 71.040.20

Languages: English French

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Status: Draft

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Scope

ISO 4802-1:2016 specifies:
a) a method for determining the hydrolytic resistance of the interior surfaces of glass containers when subjected to attack by water at 121 °C ± 1 °C for 60 min ± 1 min. The resistance is measured by titration of a known aliquot portion of the extraction solution produced with hydrochloric acid solution, in which case the resistance is inversely proportional to the volume of acid required;
b) a classification of glass containers according to the hydrolytic resistance of the interior surfaces determined by the methods specified in ISO 4802-1:2016.

Life cycle

PREVIOUSLY

Revises
ISO 4802-1:2016

NOW

IN_DEVELOPMENT
ISO/DIS 4802-1
40.20 DIS ballot initiated: 12 weeks
Dec 26, 2022

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