ISO/DIS 1776

Glass — Resistance to attack by hydrochloric acid at 100°C — Flame emission or flame atomic absorption spectrometric method

General information

Current stage: 40.60 Effective date: 4 mar 2026

Originator: ISO

Owner: ISO/TC 48/SC 7

Type: International Standard

Scope

The specified method applies to pieces of glass, preferable flat but if necessary curved, but from articles of laboratory glassware. Sample pieces are subjected to an aqueous hydrochloric acid solution, and the amount of alkali metal oxides extracted per unit area is determined as a measure of the acid resistance. Apparatus, reagents, and procedure are specified.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 1776:1985

NOW

IN_DEVELOPMENT
ISO/DIS 1776
40.60 Close of voting
4 mar 2026