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EN ISO 20846:2026

Petroleum and related products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2026)

Edition date: 2026-07-29
In Force
Available languages: English, French
Summary: This document specifies an ultraviolet (UV) fluorescence test method for the determination of the sulfur content of the following products: having sulfur contents in the range 3 mg/kg to 500 mg/kg: motor gasolines containing up to a mass fraction of 3,7 % (3,7 % (m/m)) of oxygen [including those blended with a volume fraction of ethanol up to about 10 % (10 % (V/V))]; diesel fuels, including those containing up to a volume fraction of about 50 % of fatty acid methyl ester (FAME); having sulfur contents in the range of 3 mg/kg to 45 mg/kg: synthetic fuels, such as hydrotreated vegetable oil (HVO) and gas to liquid (GTL); having sulfur contents in the range of 3 mg/kg to 30 mg/kg: neat FAME (B100) and diesel fuels containing volume fraction of more than 50 % of FAME. Other products (for example process feeds and effluents) can be analysed and other sulfur contents can be determined according to this test method, however, no precision data for products other than automotive fuels and for results outside the specified range have been established for this document. Halogens interfere with this detection technique at concentrations above approximately 3 500 mg/kg.

Le présent document spécifie une méthode par fluorescence ultraviolette (UV) pour le dosage du soufre dans les produits suivants: ayant une teneur en soufre comprise dans l’intervalle de 3 mg/kg à 500 mg/kg: les essences automobiles contenant jusqu’à 3,7 % en fraction massique (3,7 % (m/m)) d’oxygène [les mélanges contenant jusqu’à environ 10 % en fraction volumique (10 % (V/V)) d’éthanol inclus]; les carburants diesel, dont ceux contenant jusqu’à 50 % en fraction volumique d’esters méthyliques d’acides gras (EMAG); ayant une teneur en soufre comprise dans l’intervalle de 3 mg/kg à 45 mg/kg: les carburants synthétiques, tels que les huiles végétales hydrogénées (HVO) et les carburants liquides produits à partir de gaz («gas to liquid», GTL); ayant une teneur en soufre comprise dans l’intervalle de 3 mg/kg à 30 mg/kg: les EMAG purs (B100) et les carburants diesel contenant une fraction volumique d'EMAG supérieure à 50 %. D’autres produits (par exemple les charges et les effluents) peuvent être analysés et d’autres teneurs en soufre peuvent être déterminées suivant cette méthode d’essai, cependant, il n’a pas été établi de données de fidélité pour des produits autres que les carburants pour automobiles et pour des résultats en dehors de la gamme spécifiée pour le présent document. Les halogènes, à des concentrations supérieures à environ 3 500 mg/kg, interfèrent avec cette technique de détection.

Dieses Dokument legt ein Ultraviolett(UV)-fluoreszenz-Prüfverfahren zur Bestimmung des Schwefelgehaltes von folgenden Erzeugnissen fest:  mit Schwefelgehalten im Bereich von 3 mg/kg bis 500 mg/kg:  Ottokraftstoffe, die Sauerstoff bis zu einem Massenanteil von 3,7 % (3,7 % (m/m)) enthalten [einschließlich solcher mit einem beigemischten Volumenanteil von Ethanol bis zu etwa 10 % (10 % (V/V))];  Dieselkraftstoffe, einschließlich solcher, die bis zu etwa 50 % (Volumenanteil) Fettsäure-Methylester (FAME, en: fatty acid methyl ester) enthalten;  mit Schwefelgehalten im Bereich von 3 mg/kg bis 45 mg/kg:  synthetische Kraftstoffe, z. B. hydriertes Pflanzenöl (HVO, en: hydrotreated vegetable oil) und „Gas to Liquid“ (GTL);  mit Schwefelgehalten im Bereich von 3 mg/kg bis 30 mg/kg:  reines FAME (B100) und Dieselkraftstoffe mit einem Volumenanteil von mehr als 50 % FAME. Nach diesem Prüfverfahren können andere Erzeugnisse (z. B. Raffinerie-Zwischenprodukte und Abfallströme) untersucht und andere Schwefelgehalte bestimmt werden, jedoch wurden die in diesem Dokument angegebenen Präzisionsangaben nur für Kraftstoffe für Kraftfahrzeuge und nur für Ergebnisse für den festgelegten Bereich ermittelt. Halogene, die in Konzentrationen oberhalb von etwa 3 500 mg/kg vorliegen, stören die Bestimmung. WARNUNG — Die Anwendung dieses Dokuments kann die Anwendung gefährlicher Stoffe, Arbeitsgänge und Geräte mit sich bringen. Dieses Dokument beansprucht nicht, alle damit verbundenen Sicherheitsprobleme zu behandeln. Es liegt in der Verantwortung der Person, die das Dokument anwendet, vor der Anwendung geeignete Maßnahmen für die Sicherheit und den Gesundheitsschutz des Personals zu ergreifen, und andere geltende Auflagen zu erfüllen.
ICS: 75.160.30-Gaseous fuels, 75.160.20-Liquid fuels
CTN: CEN/TC 19 - 6003

Otras Relaciones

Acuerdo de Viena ISO 20846:2026

Reemplazo Normas

Reemplaza a EN ISO 20846:2019

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