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ISO/TC 183/WG 16 - Fluorine in copper-, lead- and zinc-containing concentrates

Fluor dans les concentrés de cuivre, de plomb et de zinc

General Information

Status
Active
Parent
ISO/TC 183 - Copper, lead, zinc and nickel ores and concentrates

Frequently Asked Questions

ISO/TC 183/WG 16 is a Working Group within the International Organization for Standardization (ISO). It is named "Fluorine in copper-, lead- and zinc-containing concentrates". This committee has published 1 standards.

ISO/TC 183/WG 16 develops ISO standards. Currently, there are 1 published standards from this working group.

The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.

A Working Group in ISO is a specialized group responsible for developing standards or technical work within a defined scope. These bodies bring together international experts to create consensus-based standards that support global trade, safety, and interoperability.

Standardization Organization
ICS
Directive
Mandate
50
ISO
ISO 13548:2025(Main)
Copper and zinc sulfide concentrates - Determination of fluorine content by sodium hydroxide fusion and fluoride ion selective electrode detection

This document specifies a procedure for the determination of fluorine in copper and zinc sulfide concentrates by sodium hydroxide fusion and fluoride ion selective electrode (FISE) detection. Fluoride ions are leached from the sodium hydroxide fusion and presented to the FISE. Potential interfering ions are masked by the use of a complexing agent and control of solution pH. If the aluminium content in the concentrate is up to a mass fraction of 4,5 %, there is no effect of aluminium in this method. However, if the aluminium content in the concentrate exceeds a mass fraction of 4,5 %, there is a possibility that it can affect the analytical results. The method is applicable to fluorine in the following ranges: - copper concentrates: mass fraction of 0,008 % to 0,3 %; - zinc concentrates: mass fraction of 0,005 % to 0,1 %. The results of the trueness test can be found in Annex C.

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