ISO - International Organization for Standardization - Page 1553

Standards ISO - International Organization for Standardization - Page 1553

ISO (International Organization for Standardization) is the world’s largest producer of optional international standards. International standards determine current specifications of products, services and certified methods, helping to streamline the industry. As they are created on the basis of international agreement, they assist in overcoming barriers in international trade.

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ISO 23693-1:2021

Determination of the resistance to gas explosions of passive fire protection materials — Part 1: General requirements
(Détermination de la résistance aux explosions de gaz des matériaux de protection passive contre l’incendie — Partie 1: Exigences générales)

Standard published on 10.12.2021

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100.90 USD


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ISO 23693-2:2026

Determination of the resistance to gas explosions of passive fire protection materials — Part 2: Divisional substrates
(Détermination de la résistance aux explosions de gaz des matériaux de protection passive contre l’incendie — Partie 2: Substrats de séparation)

Standard published on 25.3.2026

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150.60 USD


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ISO 23694:2021

Wrought magnesium and magnesium alloys — Extruded rods/bars and tubes
(Titre manque)

Standard published on 5.1.2021

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150.60 USD


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ISO 23695:2023

Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
(Qualité de l’eau — Détermination de l’azote-ammonium dans l’eau — Méthode a petite échelle en tubes fermés)

Standard published on 2.2.2023

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ISO 23696-1:2023

Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
(Qualité de l’eau — Détermination du nitrate dans l’eau a l’aide de tubes fermés a petite échelle — Partie 1: Réaction colorimétrique au diméthylphénol)

Standard published on 2.2.2023

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ISO 23696-2:2023

Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
(Qualité de l’eau — Détermination du nitrate dans l’eau a l’aide de tubes fermés a petite échelle — Partie 2: Réaction colorimétrique a l’acide chromotropique)

Standard published on 2.2.2023

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ISO 23697-1:2023

Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
(Qualité de l’eau — Détermination de l’azote lié total (ST-TNb) dans l’eau a l’aide de tubes fermés a petite échelle — Partie 1: Réaction colorimétrique au diméthylphénol)

Standard published on 2.2.2023

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100.90 USD


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ISO 23697-2:2023

Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
(Qualité de l’eau — Détermination de l’azote lié total (ST-TNb) dans l’eau a l’aide de tubes fermés a petite échelle — Partie 2: Réaction colorimétrique a l’acide chromotropique)

Standard published on 2.2.2023

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100.90 USD


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ISO 23698:2024

Cosmetics — Measurement of the sunscreen efficacy by diffuse reflectance spectroscopy
(Cosmétiques — Mesurage de l’efficacité des produits de protection solaire par spectroscopie de réflectance diffuse)

Standard published on 19.12.2024

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307.20 USD


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ISO 237:1975

Rotating tools with parallel shanks — Diameters of shanks and sizes of driving squares
(Outils tournants a queue cylindrique — Diametres des queues et dimensions des carrés d´entraînement)

Standard published on 1.2.1975

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66.30 USD


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