DS EN 16136:2012 Automotive Fuels - Determination Of Manganese Content In Unleaded Petrol - Inductively Coupled Plasma Optical Emission Spectrometry (Icp Oes) Method Defines a method based on inductively coupled plasma optical emission spectrometry (ICP OES) for the determination of manganese content as methylcyclopentadienyl manganese tricarbonyl (MMT) in unleade