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Número de resultados: 57
ISO 4298:2022 ISO
Estado: Published / 2022-06-09
Manganese ores and concentrates — Determination of manganese content — Potentiometric method
ISO 310:1992 ISO
Estado: Published / 1992-10-21
Manganese ores and concentrates — Determination of hygroscopic moisture content in analytical samples — Gravimetric method
ISO 9681:1990 ISO
Estado: Published / 1990-10-25
Manganese ores and concentrates — Determination of iron content — Flame atomic absorption spectrometric method
ISO 6230:1989 ISO
Estado: Published / 1989-10-26
Manganese ores — Determination of size distribution by sieving
ISO 4299:1989 ISO
Estado: Published / 1989-06-22
Manganese ores — Determination of moisture content
ISO 9292:1988 ISO
Estado: Published / 1988-12-08
Manganese ores and concentrates — Determination of total iron content — 1,10-Phenanthroline spectrometric method
ISO 4295:1988 ISO
Estado: Published / 1988-06-02
Manganese ores and concentrates — Determination of aluminium content — Photometric and gravimetric methods
ISO 8542:1986 ISO
Estado: Published / 1986-11-20
Manganese and chromium ores — Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
ISO 8531:1986 ISO
Estado: Published / 1986-11-13
Manganese and chromium ores — Experimental methods for checking the precision of moisture determination
ISO 8530:1986 ISO
Estado: Published / 1986-10-23
Manganese and chromium ores — Experimental methods for checking the precision of sample division
ISO 8541:1986 ISO
Estado: Published / 1986-10-16
Manganese and chromium ores — Experimental methods for checking the bias of sampling and sample preparation
ISO 312:1986 ISO
Estado: Published / 1986-06-05
Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Titrimetric method
ISO 7990:1985 ISO
Estado: Published / 1985-12-12
Manganese ores and concentrates — Determination of total iron content — Titrimetric method after reduction and sulfosalicylic acid spectrophotometric method
ISO 7953:1985 ISO
Manganese ores and concentrates — Determination of calcium and magnesium contents — Flame atomic absorption spectrometric method
ISO 7969:1985 ISO
Estado: Published / 1985-11-07
Manganese ores and concentrates — Determination of sodium and potassium contents — Flame atomic absorption spectrometric method
ISO 315:1984 ISO
Estado: Published / 1984-05-01
Manganese ores and concentrates — Determination of nickel content — Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method
ISO 4296-1:1984 ISO
Manganese ores — Sampling — Part 1: Increment sampling
ISO 7723:1984 ISO
Manganese ores and concentrates — Determination of titanium content — 4,4'-Diantipyrylmethane spectrometric method
ISO 317:1984 ISO
Estado: Published / 1984-03-01
Manganese ores and concentrates — Determination of arsenic content — Spectrometric method
ISO 4296-2:1983 ISO
Estado: Published / 1983-12-01
Manganese ores — Sampling — Part 2: Preparation of samples
ISO 5889:1983 ISO
Estado: Published / 1983-09-01
Manganese ores and concentrates — Determination of aluminium, copper, lead and zinc contents — Flame atomic absorption spectrometric method
ISO 6233:1983 ISO
Estado: Published / 1983-07-01
Manganese ores and concentrates — Determination of calcium and magnesium contents — EDTA titrimetric method
ISO 4293:1982 ISO
Estado: Published / 1982-08-01
Manganese ores and concentrates — Determination of phosphorus content — Extraction-molybdovanadate photometric method
ISO 619:1981 ISO
Estado: Published / 1981-12-01
Manganese ores — Determination of chromium content — Diphenylcarbazide photometric method and silver persulphate titrimetric method
ISO 320:1981 ISO
Manganese ores — Determination of sulphur content — Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion
ISO 549:1981 ISO
Manganese ores — Determination of combined water content — Gravimetric method
ISO 548:1981 ISO
Estado: Published / 1981-11-01
Manganese ores — Determination of barium oxide content — Barium sulphate gravimetric method
ISO 5890:1981 ISO
Estado: Published / 1981-05-01
Manganese ores and concentrates — Determination of silicon content — Gravimetric method
ISO 4571:1981 ISO
Estado: Published / 1981-03-01
Manganese ores and concentrates — Determination of potassium and sodium content — Flame atomic emission spectrometric method
ISO 4297:1978 ISO
Estado: Published / 1978-07-01
Manganese ores and concentrates — Methods of chemical analysis — General instructions
ISO 4300:1984 ISO
Estado: Withdrawn / 1984-12-01
Manganese ores and concentrates — Determination of lead content — Polarographic methods
ISO 4294:1984 ISO
Manganese ores and concentrates — Determination of copper content — Extraction-spectrometric and spectrometric methods
ISO 4298:1984 ISO
Estado: Withdrawn / 1984-11-01
ISO 316:1982 ISO
Estado: Withdrawn / 1982-10-01
Manganese ores — Determination of cobalt content — Nitroso-R-salt photometric method
ISO 314:1981 ISO
Estado: Withdrawn / 1981-11-01
Manganese ores — Determination of carbon dioxide content — Gravimetric method
ISO 553:1981 ISO
Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method
ISO 621:1981 ISO
Manganese ores — Determination of metallic iron content (metallic iron content not exceeding 2 %) — Sulphosalicylic acid photometric method
ISO 310:1981 ISO
Estado: Withdrawn / 1981-08-01
Manganese ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric method
ISO 312:1980 ISO
Estado: Withdrawn / 1980-05-01
Manganese ores — Determination of active oxygen content, expressed as manganese dioxide — Volumetric method
ISO 4299:1980 ISO
Estado: Withdrawn / 1980-04-01
ISO 4295:1979 ISO
Estado: Withdrawn / 1979-02-01
ISO/R 322:1978 ISO
Estado: Withdrawn / 1978-11-01
Methods of chemical analysis of manganese ores — Determination of copper
ISO 4298:1978 ISO
Estado: Withdrawn / 1978-08-01
ISO 4294:1978 ISO
Manganese ores and concentrates — Determination of copper content — Extraction-photometric and photometric methods
ISO 551:1975 ISO
Estado: Withdrawn / 1975-02-01
Manganese ores — Determination of zinc content — Zinc mercurithyocyanate gravimetric method
ISO 620:1975 ISO
Estado: Withdrawn / 1975-01-01
Manganese ores — Determination of zinc content — Polarographic method (zinc content between 0,005 and 0,1 %)
ISO/R 550:1966 ISO
Estado: Withdrawn / 1966-12-01
Methods of chemical analysis of manganese ores — Determination of titanium content
ISO/R 552:1966 ISO
Methods of chemical analysis of manganese ores — Determination of calcium oxide content and magnesium oxide content
ISO/R 311:1963 ISO
Estado: Withdrawn / 1963-07-01
Methods of chemical analysis of manganese ores — Determination of silicon dioxide
ISO/R 313:1963 ISO
Methods of chemical analysis of manganese ores — Determination of total iron content