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ISO/WD 25839

Test methods for graphite — Determination of carbon content

General information

Current stage: 20.20 Effective date: 26 mar 2026

Originator: ISO

Owner: ISO/TC 345

Type: International Standard

Scope

The document specifies a test method for analyzing the carbon content of graphite ore and its products.

This document applies to natural graphite ore and its products.

Life cycle

NOW

IN_DEVELOPMENT
ISO/WD 25839
20.20 Working draft (WD) study initiated
26 mar 2026