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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.
Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method
(Aliments des animaux — Dosage de l´azote et calcul de la teneur en protéines brutes — Partie 1: Méthode Kjeldahl)
Standard published on 30.6.2005
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Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 1: Kjeldahl method — Technical Corrigendum 1
(Aliments des animaux — Dosage de l´azote et calcul de la teneur en protéines brutes — Partie 1: Méthode Kjeldahl — Rectificatif technique 1)
Correction published on 1.9.2008
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Animal feeding stuffs — Determination of nitrogen content and calculation of crude protein content — Part 2: Block digestion and steam distillation method
(Aliments des animaux — Dosage de l´azote et calcul de la teneur en protéines brutes — Partie 2: Méthode de digestion en bloc et distillation a la vapeur)
Standard published on 26.5.2009
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Animal feeding stuffs — Determination of crude ash
(Aliments des animaux — Dosage des cendres brutes)
Standard published on 27.4.2022
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Animal feeding stuffs — Determination of ash insoluble in hydrochloric acid
(Aliments des animaux — Dosage des cendres insolubles dans l´acide chlorhydrique)
Standard published on 18.11.2002
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Animal feeding stuffs — Determination of ash insoluble in hydrochloric acid — Amendment 1
(Aliments des animaux — Dosage des cendres insolubles dans l´acide chlorhydrique — Amendement 1)
Change published on 13.11.2015
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Animal feeding stuffs — Determination of ash insoluble in hydrochloric acid — Technical Corrigendum 1
(Aliments des animaux — Dosage des cendres insolubles dans l´acide chlorhydrique — Rectificatif technique 1)
Correction published on 9.3.2005
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Photography — Pre-packaged chemicals for the processing of silver halide based photographic materials — Vocabulary
(Photographie — Produits chimiques préemballés pour le traitement des produits photographiques a base d´halogénures d´argent — Vocabulaire)
Standard published on 3.8.1995
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Photography — Processing chemicals — Specifications for potassium sulfite, 650 g/l solution
(Photographie — Produits chimiques de traitement — Spécifications relatives au sulfite de potassium en solution a 650 g/l)
Standard published on 21.12.2000
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Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
(Hydroxyde de sodium a usage industriel — Dosage du mercure — Méthode par spectrométrie d´absorption atomique sans flamme)
Standard published on 1.9.1979
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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