ISO - International Organization for Standardization - Page 2297

Standards ISO - International Organization for Standardization - Page 2297

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 7404-1:2025-ed.4.0

Coal — Methods for petrographic analysis — Part 1: Vocabulary
(Charbon — Méthodes d´analyse pétrographique — Partie 1: Vocabulaire)

Standard published on 27.10.2025

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102.20 USD


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ISO 7404-2:2025-ed.3.0

Coal — Methods for petrographic analysis — Part 2: Method of preparing coal samples
(Charbon — Méthodes d´analyse pétrographique — Partie 2: Méthode de préparation des échantillons de charbon)

Standard published on 27.10.2025

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102.20 USD


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ISO 7404-3:2025-ed.4.0

Coal — Methods for petrographic analysis — Part 3: Method of determining maceral group composition
(Charbon — Méthodes d´analyse pétrographique — Partie 3: Méthode de détermination de la composition en groupes de macéraux)

Standard published on 27.10.2025

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102.20 USD


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ISO 7404-4:2025-ed.3.0

Coal — Methods for petrographic analysis — Part 4: Method of determining microlithotype, carbominerite and minerite composition
(Charbon — Méthodes d´analyse pétrographique — Partie 4: Méthode de détermination de la composition en microlithotypes, carbominérites et minérites)

Standard published on 27.10.2025

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102.20 USD


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ISO 7404-5:2025-ed.4.0

Coal — Methods for petrographic analysis — Part 5: Method of determining microscopically the reflectance of vitrinite
(Charbon — Méthodes d´analyse pétrographique — Partie 5: Méthode de détermination au microscope du pouvoir réflecteur de la vitrinite)

Standard published on 27.10.2025

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152.60 USD


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ISO 7405:2025-ed.4.0

Dentistry — Evaluation of biocompatibility of medical devices used in dentistry
(Médecine bucco-dentaire — Évaluation de la biocompatibilité des dispositifs médicaux utilisés en médecine bucco-dentaire)

Standard published on 20.6.2025

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311.20 USD


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ISO 7407:1983

Fertilizers — Determination of acid-soluble potassium content — Preparation of the test solution
(Engrais — Dosage du potassium soluble dans l´acide — Préparation de la solution d´essai)

Standard published on 1.5.1983

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67.10 USD


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ISO 7408:1983

Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
(Engrais — Dosage de l´azote ammoniacal en présence d´autres substances libérant de l´ammoniac sous l´effet d´hydroxyde de sodium — Méthode titrimétrique)

Standard published on 1.12.1983

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67.10 USD


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ISO 7409:2018-ed.2.0

Fertilizers — Marking — Presentation and declarations
(Engrais — Marquage — Présentation et mentions a déclarer)

Standard published on 9.3.2018

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102.20 USD


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ISO 7410:1983

Fertilizers and soil conditioners — Final samples — Practical arrangements
(Fertilisants — Échantillons finals — Dispositions pratiques)

Standard published on 1.4.1983

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