@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix sdo: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . @prefix xsd: . rdf:type sdo:DefinedTerm ; sdo:description "Measurements made by isotope-doped incubation experiment followed by mass spectrometric analysis of particulates collected on a GF/F filter." ; sdo:inDefinedTermSet ; sdo:name "Uptake rate standard deviation (daily) of ammonium {NH4+ CAS 14798-03-9} per unit time per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, incubation at unspecified light level, filtration and mass spectrometry on residue"@en ; sdo:termCode "AMSDIIP1" .