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Número de resultados: 42

UNE 30214:1965  UNE

Estado: Vigente / 1965-02-15

Disolución acuosa de amoniaco técnico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30206:1964  UNE

Estado: Vigente / 1964-12-15

Hidróxido sódico técnico. (Sosa cáustica).

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30209:1967  UNE

Estado: Vigente / 1967-01-15

Análisis químico del hidróxido sódico técnico.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

UNE 30215:1965  UNE

Estado: Vigente / 1965-02-15

Análisis físico y químico de las disoluciones acuosas de amoniaco, calidad técnica.

CTN 30 INDUSTRIA QUÍMICA INORGÁNICA

ISO 7108:1985  ISO

Estado: Vigente / 1985-06-06

Ammonia solution for industrial use -- Determination of ammonia content -- Titrimetric method

ISO 7109:1985  ISO

Estado: Vigente / 1985-05-30

Ammonia solution for industrial use -- Determination of residue after evaporation at 105 degrees C -- Gravimetric method

ISO 5993:1979  ISO

Estado: Vigente / 1979-09-01

Sodium hydroxide for industrial use -- Determination of mercury content -- Flameless atomic absorption spectrometric method

ISO 3196:1975  ISO

Estado: Vigente / 1975-05-01

Sodium hydroxide for industrial use -- Determination of carbonates content -- Titrimetric method

ISO 3195:1975  ISO

Estado: Vigente / 1975-03-01

Sodium hydroxide for industrial use -- Sampling -- Test Sample -- Preparation of the main solution for carrying out certain determinations

ISO 979:1974  ISO

Estado: Vigente / 1974-12-01

Sodium hydroxide for industrial use -- Method of assay

ISO 2466:1973  ISO

Estado: Vigente / 1973-04-01

Potassium hydroxide for industrial use -- Sampling -- Test sample -- Preparation of the main solution for carrying out certain determinations

ISO 981:1973  ISO

Estado: Vigente / 1973-02-01

Sodium hydroxide for industrial use -- Determination of chloride content -- Mercurimetric method

ISO 983:1974  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of iron content -- 1,10- Phenanthroline photometric method

ISO 984:1974  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of silica content -- Reduced silico-molybdic complex photometric method

ISO 986:1976  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of calcium content -- EDTA (disodium salt) complexometric method

ISO 990:1973  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Method of assay

ISO 992:1975  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of chlorides content -- Mercurimetric method

ISO 994:1973  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of iron content -- 1,10- Phenanthroline photometric method

ISO 995:1975  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of silica content -- Reduced molybdosilicate photometric method

ISO 997:1976  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of calcium content -- EDTA (disodium salt) complexometric method

ISO 1550:1973  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of sodium content -- Flame emission spectrophotometric method

ISO 2900:1973  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of carbon dioxide content -- Titrimetric method

ISO 3177:1975  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of chlorides content -- Photometric method

ISO 3194:1975  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of sulphur compounds -- Method by reduction and titrimetry

ISO 3197:1975  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of chlorides content -- Photometric method

ISO 3198:1975  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of sulphur compounds -- Method by reduction and titrimetry

ISO 3697:1976  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of calcium and magnesium contents -- Flame atomic absorption method

ISO 3698:1976  ISO

Estado: Anulada / 2002-05-27

Potassium hydroxide for industrial use -- Determination of calcium and magnesium contents -- Flame atomic absorption method

ISO 5992:1979  ISO

Estado: Anulada / 2002-05-27

Sodium hydroxide for industrial use -- Determination of mercury content -- Dithizone photometric method

ISO 991:1976  ISO

Estado: Anulada / 1990-10-01

Potassium hydroxide for industrial use -- Determination of carbonates content -- Gas-volumetric method

ISO 993:1976  ISO

Estado: Anulada / 1990-10-01

Potassium hydroxide for industrial use -- Determination of sulphate content -- Barium sulphate gravimetric method

ISO 996:1976  ISO

Estado: Anulada / 1990-10-01

Potassium hydroxide for industrial use -- Determination of silica content -- Gravimetric method by precipitation of quinoline molybdosilicate

ISO 980:1976  ISO

Estado: Anulada / 1990-08-01

Sodium hydroxide for industrial use -- Determination of carbonates content -- Gas-volumetric method

ISO 982:1976  ISO

Estado: Anulada / 1990-08-01

Sodium hydroxide for industrial use -- Determination of sulphate content -- Barium sulphate gravimetric method

ISO 985:1976  ISO

Estado: Anulada / 1990-08-01

Sodium hydroxide for industrial use -- Determination of silica content -- Gravimetric method by precipitation of quinoline molybdosilicate

ISO/R 1900:1971  ISO

Estado: Anulada / 1982-12-01

Withdrawal of ISO/R 1900-1971

ISO/R 987:1969  ISO

Estado: Anulada / 1981-03-01

Withdrawal of ISO/R 987-1969

ISO/R 998:1969  ISO

Estado: Anulada / 1981-03-01

Withdrawal of ISO/R 998-1969

ISO/R 977:1969  ISO

Estado: Anulada / 1975-12-01

Withdrawal of ISO/R 977-1969

ISO/R 978:1969  ISO

Estado: Anulada / 1975-12-01

Withdrawal of ISO/R 978-1969

ISO/R 988:1969  ISO

Estado: Anulada / 1973-12-01

Withdrawal of ISO/R 988-1969

ISO/R 989:1969  ISO

Estado: Anulada / 1973-12-01

Withdrawal of ISO/R 989-1969

Número de resultados: 42

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