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ISO 6139:1993PublishedAluminium ores — Experimental determination of the heterogeneity of distribution of a lotISO 6140:1991PublishedAluminium ores — Preparation of samplesISO 8685:1992PublishedAluminium ores — Sampling proceduresISO 9033:1989PublishedAluminium ores — Determination of the moisture content of bulk materialISO/DIS 6139Under developmentAluminium ores — Experimental determination of the heterogeneity of distribution of a lotISO/DIS 6140Under developmentAluminium ores — Preparation of samplesISO/DIS 8685Under developmentAluminium ores — Sampling proceduresISO 9033Under developmentAluminium ores — Determination of the moisture content of bulk materialISO 6138:1991WithdrawnAluminium ores — Experimental determination of the heterogeneity of constitutionISO 6606:1986WithdrawnAluminium ores — Determination of loss of mass at 1 075 degrees C — Gravimetric methodISO 6607:1985WithdrawnAluminium ores — Determination of total silicon content — Combined gravimetric and spectrophotometric methodISO 6609:1985WithdrawnAluminium ores — Determination of iron content — Titrimetric methodISO 6994:1986WithdrawnAluminium ores — Determination of aluminium content — EDTA titrimetric methodISO 6995:1985WithdrawnAluminium ores — Determination of titanium content — 4,4'-Diantipyrylmethane spectrophotometric methodISO 8556:1986WithdrawnAluminium ores — Determination of phosphorus content — Molybdenum blue spectrophotometric methodISO 8557:1985WithdrawnAluminium ores — Determination of hygroscopic moisture in analytical samples — Gravimetric methodISO 8558:1985WithdrawnAluminium ores — Preparation of pre-dried test samplesISO 9208:1989WithdrawnAluminium ores - Determination of vanadium content — BPHA spectrophotometric methodISO 10213:1991WithdrawnAluminium ores — Determination of total iron content — Titanium trichloride reduction methodISO 10226:1991WithdrawnAluminium ores — Experimental methods for checking the bias of samplingISO 10277:1995WithdrawnAluminium ores — Experimental methods for checking the precision of sampling