DIN EN 15944:2011 液體石油產(chǎn)品.鎳和礬含量的測(cè)定.電感耦合等離子體發(fā)射光譜測(cè)定法(ICP OES).德文版本EN 15944-2010
Liquid petroleum products - Determination of nickel and vanadium content - Inductively coupled plasma optical emission spectrometry method (ICP OES); German version EN 15944:2010