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ISO 15661:2020

Copper and nickel sulfide ores and concentrates — Determination of total chlorine content — Alkaline fusion and potentiometric titration method ISO 15661:2020

Publication date:   Sep 22, 2020

General information

90.93   Standard confirmed   Jan 13, 2026

ISO

ISO/TC 183 Copper, lead, zinc and nickel ores and concentrates

International Standard

73.060.99   Other metalliferous minerals

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Scope

This document specifies an analytical method for the determination of total chlorine content using alkaline fusion and potentiometric titration.
This method is applicable to copper and nickel sulfide ores and concentrates having chlorine content in the following ranges:
a) Method 1: 80 µg/g to 4 300 µg/g
b) Method 2: 70 µg/g to 4 300 µg/g

Life cycle

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PUBLISHED
ISO 15661:2020
90.93 Standard confirmed
Jan 13, 2026




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