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ISO 4298:2022
International Standard
Manganese ores and concentrates — Determination of manganese content — Potentiometric method
GSO ISO 9681:2017
ISO 9681:1990
Gulf Standard
Manganese ores and concentrates -- Determination of iron content -- Flame atomic absorption spectrometric method
GSO ISO 5889:2017
ISO 5889:1983
Gulf Standard
Manganese ores and concentrates -- Determination of aluminium, copper, lead and zinc contents -- Flame atomic absorption spectrometric method
BH GSO ISO 4296-1:2017
ISO 4296-1:1984
Bahraini Standard
Manganese ores -- Sampling -- Part 1: Increment sampling
BH GSO ISO 4296-2:2017
ISO 4296-2:1983
Bahraini Standard
Manganese ores -- Sampling -- Part 2: Preparation of samples
BH GSO ISO 7953:2017
ISO 7953:1985
Bahraini Standard
Manganese ores and concentrates -- Determination of calcium and magnesium contents -- Flame atomic absorption spectrometric method
BH GSO ISO 317:2017
ISO 317:1984
Bahraini Standard
Manganese ores and concentrates -- Determination of arsenic content -- Spectrometric method
GSO ISO 8541:2017
ISO 8541:1986
Gulf Standard
Manganese and chromium ores -- Experimental methods for checking the bias of sampling and sample preparation
GSO ISO 8542:2017
ISO 8542:1986
Gulf Standard
Manganese and chromium ores -- Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
GSO ISO 8530:2017
ISO 8530:1986
Gulf Standard
Manganese and chromium ores -- Experimental methods for checking the precision of sample division
BH GSO ISO 7723:2017
ISO 7723:1984
Bahraini Standard
Manganese ores and concentrates -- Determination of titanium content -- 4,4'-Diantipyrylmethane spectrometric method
BH GSO ISO 4297:2017
ISO 4297:1978
Bahraini Standard
Manganese ores and concentrates -- Methods of chemical analysis -- General instructions