ISO - International Organization for Standardization - Page 1991

Standards ISO - International Organization for Standardization - Page 1991

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 4321:1977

Washing powders — Determination of active oxygen content — Titrimetric method
(Poudres a laver — Dosage de l´oxygene actif — Méthode titrimétrique)

Standard published on 1.9.1977

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ISO 4322:1977

Non-ionic surface active agents — Determination of sulphated ash — Gravimetric method
(Agents de surface non ioniques — Détermination du taux de cendres sulfatées — Méthode gravimétrique)

Standard published on 1.5.1977

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ISO 4323:2025-ed.3.0

Surface active agents — Soaps — Determination of chloride content by potentiometric method
(Titre manque)

Standard published on 1.10.2025

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ISO 4324:1977

Surface active agents — Powders and granules — Measurement of the angle of repose
(Agents de surface — Poudres et granulés — Mesurage de l´angle du talus d´éboulement)

Standard published on 1.9.1977

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ISO 4325:1990-ed.2.0

Soaps and detergents — Determination of chelating agent content — Titrimetric method
(Savons et détergents — Détermination de la teneur en agent séquestrant — Méthode titrimétrique)

Standard published on 19.4.1990

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ISO 4326:1980

Non-ionic surface active agents — Polyethoxylated derivatives — Determination of hydroxyl value — Acetic anhydride method
(Agents de surface non ioniques — Dérivés polyéthoxylés — Détermination de l´indice d´hydroxyle — Méthode a l´anhydride acétique)

Standard published on 1.3.1980

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ISO 4327:1979

Non-ionic surface active agents — Polyalkoxylated derivatives — Determination of hydroxyl value — Phthalic anhydride method
(Agents de surface non ioniques — Dérivés polyoxyalkylénés — Détermination de l´indice d´hydroxyle — Méthode a l´anhydride phtalique)

Standard published on 1.12.1979

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ISO 433:2017-ed.3.0

Conveyor belts — Marking
(Courroies transporteuses — Marquage)

Standard published on 25.10.2017

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ISO 4333:2022

Textiles — Determination of reduction activity of specific proteins derived from pollen, mite and other sources on textile products
(Textiles — Détermination de l’activité de réduction des protéines spécifiques provenant du pollen, des acariens et d’autres sources sur les produits textiles)

Standard published on 8.7.2022

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199.50 USD


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ISO/IEC/TR 4339-ed.1.0

Information technology for learning, education and training - Reference model for information and communications technology (ICT) evaluation in education

Standard published on 17.1.2022

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Entries shown from 19900 to 19910 out of a total of 26250 entries.


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