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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

Estado: Published / 1985-12-12

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

Estado: Published / 1984-05-01

Manganese ores — Sampling — Part 1: Increment sampling

ISO 7723:1984  ISO

Estado: Published / 1984-05-01

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

Estado: Published / 1981-12-01

Manganese ores — Determination of sulphur content — Barium sulphate gravimetric methods and sulphur dioxide titrimetric method after combustion

ISO 549:1981  ISO

Estado: Published / 1981-12-01

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

Estado: Withdrawn / 1984-12-01

Manganese ores and concentrates — Determination of copper content — Extraction-spectrometric and spectrometric methods

ISO 4298:1984  ISO

Estado: Withdrawn / 1984-11-01

Manganese ores and concentrates — Determination of manganese content — Potentiometric method

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

Estado: Withdrawn / 1981-11-01

Manganese ores — Determination of vanadium content — Titrimetric method and phosphotungstovanadate photometric method

ISO 621:1981  ISO

Estado: Withdrawn / 1981-11-01

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

Manganese ores — Determination of moisture content

ISO 4295:1979  ISO

Estado: Withdrawn / 1979-02-01

Manganese ores and concentrates — Determination of aluminium content — Photometric and gravimetric methods

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

Manganese ores and concentrates — Determination of manganese content — Potentiometric method

ISO 4294:1978  ISO

Estado: Withdrawn / 1978-08-01

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

Estado: Withdrawn / 1966-12-01

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

Estado: Withdrawn / 1963-07-01

Methods of chemical analysis of manganese ores — Determination of total iron content

Número de resultados: 57

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