- -80%
ASTM UOP 927 : 1992 Trace Metallic Impurities in Fresh Catalysts by ICP-AES
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Specifies trace levels of iron, sodium, calcium, magnesium, titanium, molybdenum and silicon in fresh alumina supported catalysts of known composition by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES).