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"SDN:P01::AMONAAD2" .
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"accepted"@en .
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"Concentration of ammonium {NH4+ CAS 14798-03-9} per unit volume of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and colorimetric autoanalysis"@en .
"Colorometric autoanalysis (0.45 um pore filtered)"@en .
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"NH4_0.4umFilt_ColAA" .
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