UOP 1003-13 - 1.9.2013
 
1. Scope

This method is for determining trace concentrations of calcium (Ca), iron (Fe), magnesium (Mg), potassium (K), and sodium (Na) in methanol by Inductively Coupled Plasma – Optical Emission Spectrometry (ICP-OES). The lower limits of quantitation for these elements are listed in Table 1.