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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.
Stationary source emissions — Determination of the mass concentration of sulfur dioxide — Hydrogen peroxide/barium perchlorate/Thorin method
(Émissions de sources fixes — Détermination de la concentration en masse de dioxyde de soufre — Méthode au peroxyde d´hydrogene/perchlorate de baryum/Thorin)
Standard published on 20.7.1989
Selected format:
Stationary source emissions — Determination of the mass concentration of sulfur dioxide — Hydrogen peroxide/barium perchlorate/Thorin method — Amendment 1
(Émissions de sources fixes — Détermination de la concentration en masse de dioxyde de soufre — Méthode au peroxyde d´hydrogene/perchlorate de baryum/Thorin — Amendement 1)
Change published on 2.7.1998
Selected format:
Stationary source emissions — Determination of the mass concentration of sulfur dioxide in flue gases — Performance characteristics of automated measuring systems
(Émissions de sources fixes — Détermination de la concentration en masse de dioxyde de soufre — Caractéristiques de performance des systemes de mesurage automatiques)
Standard published on 15.2.2024
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Coal — Determination and presentation of float and sink characteristics — General directions for apparatus and procedures
(Charbon — Détermination et présentation des caractéristiques de flottation et d´enfoncement — Principes directeurs relatifs a l´appareillage et aux modes opératoires)
Standard published on 15.8.2022
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Magnesium and magnesium alloys — Determination of copper content — Oxalyldihydrazide photometric method
(Magnésium et alliages de magnésium — Dosage du cuivre — Méthode photométrique a l´oxalyldihydrazide)
Standard published on 1.2.1976
Selected format:
Commercial propane and butane — Analysis by gas chromatography
(Propanes et butanes commerciaux — Analyse par chromatographie en phase gazeuse)
Standard published on 28.7.1988
Selected format:Information technology - Computer graphics and image processing - Graphical Kernel System (GKS) - Part 1: Functional description
Standard published on 27.10.1994
Selected format:Information technology - Computer graphics and image processing - Graphical Kernel System (GKS) - Part 2: NDC metafile
Standard published on 28.8.1997
Selected format:Information technology - Computer graphics and image processing - Graphical Kernel System (GKS) - Part 3: Audit trail
Standard published on 21.1.1999
Selected format:Information technology - Computer graphics and image processing - Graphical Kernel System (GKS) - Part 4: Picture part archive
Standard published on 3.9.1998
Selected format:Latest update: 2026-02-22 (Number of items: 2 263 394)
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