ISO 6230:1989

Manganese ores — Determination of size distribution by sieving

Applies to natural or processed manganese ores. The methods are applicable to size determination utilizing one or more sieves. ISO 6230 is intended to provide a basis for testing and for use of this material. When it is used for comparative purposes, agreements should be reached between the producer and the consumer in respect of the detailed method in order to eliminate sources of controversy.