Conceptid (2) | Preflabel |
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CUCNAAP2 | Concentration of copper {Cu CAS 7440-50-8} per unit dry weight of suspended particulate material >0.4/0.45um by filtration and atomic absorption spectroscopy |
CUCNICP2 | Concentration of copper {Cu CAS 7440-50-8} per unit dry weight of suspended particulate material >0.4/0.45um by acid leaching of filter residue and inductively-coupled plasma mass spectrometry |