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Número de resultados: 318

Estado: Vigente / 2022-12-21

Productos químicos utilizados en el tratamiento del agua destinada al consumo humano. Tiosulfato de sodio.

Estado: Vigente / 2013-06-05

Durabilidad de la madera y de los productos derivados de la madera. Clases de uso: definiciones, aplicación a la madera maciza y a los productos derivados de la madera.

Estado: Vigente / 1978-01-15

Nitrato amónico para uso industrial. Determinación de la acidez libre. Método volumétrico.

Estado: Vigente / 1976-10-15

Nitrato amónico para uso industrial. Determinacional del pH. Método potenciométrico.

Estado: Vigente / 1968-11-15

Sulfato amónico técnico.

Estado: Vigente / 1968-11-15

Análisis químico del carbonato sódico técnico.

Estado: Vigente / 1954-11-15

Sulfato ferroso técnico, características y ensayos.

Estado: Active / 2023-10-01

Standard Test Method for Determination of Oxygenates, Benzene, Toluene, C<inf>8</inf >–C<inf>12</inf> Aromatics and Total Aromatics in Finished Gasoline by Gas Chromatography/Fourier Transform Infrared Spectroscopy

Estado: Active / 2021-10-01

Standard Test Method for Determination of Calcium and Magnesium in Iron Ores by Flame Atomic Absorption Spectrometry

Estado: Active / 2021-10-01

Standard Test Method for Determination of Aluminum in Iron Ores by Flame Atomic Absorption Spectrometry

Estado: Active / 2020-11-01

Standard Specification for Sodium Chloride

Estado: Active / 2020-03-01

Standard Practice for Determination of Volatile Organic Compounds (Excluding Formaldehyde) Emissions from Wood-Based Panels Using Small Environmental Chambers Under Defined Test Conditions

Estado: Active / 2020-01-01

Standard Specification for Nuclear-Grade Boron Carbide Pellets

Estado: Active / 2020-01-01

Standard Specification for Nuclear-Grade Aluminum Oxide-Boron Carbide Composite Pellets

Estado: Active / 2018-06-01

Standard Specification for Nuclear-Grade Boron Carbide Powder

Estado: Active / 2018-02-01

Standard Test Methods for Chemical Analysis of Sodium Chloride

Estado: Active / 2016-05-15

Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography

NF EN ISO 23157  AFNOR

Estado: Vigente / 2022-10-12

Détermination de la teneur en groupes silanol à la surface de la silice pyrogénée - Méthode par analyse chromatographique en phase gazeuse des gaz de réaction

NF ISO 24040  AFNOR

Estado: Vigente / 2022-06-18

Textiles - Détermination de certains composés benzotriazole

NF EN 15768  AFNOR

Estado: Vigente / 2015-05-15

Influence sur l'eau des matériaux en contact avec l'eau destinée à la consommation humaine - Identification par CG-SM de substances organiques lixiviables à l'eau

FD CEN/TR 14823  AFNOR

Estado: Vigente / 2006-11-01

Durabilité du bois et des matériaux dérivés du bois - Analyse quantitative du pentachlorophénol dans le bois - Méthode par chromatographie en phase gazeuse

Estado: Vigente / 2015-06-17

Influencia de los materiales sobre el agua destinada al consumo humano. Identificación de sustancias orgánicas lixiviables en agua mediante CG-EM .

Estado: PUBLISHED / 2009-10-21

Cryolite, natural and artificial — Conventional test for evaluation of free fluorides content

Estado: PUBLISHED / 2009-04-29

Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance

Estado: PUBLISHED / 2007-11-07

Durability of wood and wood-based products — Use classes

Estado: PUBLISHED / 1981-10-01

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Atomic absorption spectrometric method after extraction

Estado: PUBLISHED / 1979-07-01

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphur content — X-ray fluorescence spectrometric method

Estado: PUBLISHED / 1978-11-01

Sodium fluorosilicate for industrial use — Determination of loss in mass at 105 degrees C

Estado: PUBLISHED / 1978-10-01

Sodium hexafluorosilicate for industrial use — Determination of phosphate content — Molybdovanadate spectrophotometric method

Estado: PUBLISHED / 1977-11-01

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

Estado: PUBLISHED / 1977-03-01

Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method

Estado: PUBLISHED / 1976-09-01

Cryolite, natural and artificial — Preparation and storage of test samples

Estado: PUBLISHED / 1976-09-01

Cryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric method

Estado: PUBLISHED / 1976-09-01

Cryolite, natural and artificial — Determination of fluorine content — Modified Willard-Winter method

Estado: PUBLISHED / 1976-09-01

Cryolite, natural and artificial — Determination of iron content — 1,10- Phenanthroline photometric method

Estado: PUBLISHED / 1976-09-01

Cryolite, natural and artificial — Determination of calcium content — Flame atomic absorption method

Estado: PUBLISHED / 1976-08-01

Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of moisture content — Gravimetric method

Estado: PUBLISHED / 1976-08-01

Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) — Determination of fluorine content — Alizarin complexone and lanthanum nitrate photometric method

Estado: PUBLISHED / 1976-07-01

Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method

Estado: PUBLISHED / 1976-04-01

Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method

ISO 739:1976  ISO

Estado: PUBLISHED / 1976-02-01

Sodium carbonate for industrial use — Preparation and storage of test samples

Estado: PUBLISHED / 1976-02-01

Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization

ISO 746:1976  ISO

Estado: PUBLISHED / 1976-02-01

Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C

ISO 740:1976  ISO

Estado: PUBLISHED / 1976-02-01

Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method

Estado: PUBLISHED / 1976-02-01

Sodium and potassium silicates for industrial use — Samples and methods of test — General

Estado: PUBLISHED / 1976-02-01

Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide

Estado: PUBLISHED / 1975-09-01

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

Estado: PUBLISHED / 1975-07-01

Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation

Estado: PUBLISHED / 1975-02-01

Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method

Estado: PUBLISHED / 1974-11-01

Cryolite, natural and artificial — Determination of sodium content — Flame emission and atomic absorption spectrophotometric methods

Número de resultados: 318

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