Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation
NORMA vydaná dňa 16.10.1986
Označenie normy: ISO 8541:1986
Dátum vydania normy: 16.10.1986
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: The checking applies to manganese and chromium ores, whether natural or processed, being carried out in accordance with the methods specified in the relevant International Standards. Includes general conditions for sampling and preparation of samples and experiments for bias of sampling and of sample preparation, gives a data analysis and reviews results.