Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method; German version EN 15492:2012— 12 стр.
Erdöl- und Erdgasindustrie - Zemente und Materialien für die Zementation von Tieflochbohrungen - Teil 1: Anforderungen (ISO 10426-1:2009 + Cor 1:2010) (konsolidierte Fassung)
Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO 3675:1998); German version EN ISO 3675:1998— 9 стр.
Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method; German version EN 15492:2008— 12 стр.
Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method; German version prEN 15492:2010
Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method; German version EN 15492:2008— 12 стр.