@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @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 semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:narrower . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:related . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:related . skos:narrower . skos:related . skos:related . skos:related . skos:related . skos:member . skos:related . skos:narrower . skos:narrower . skos:altLabel "LorSpec_Phae_GFF-5um" ; skos:broader , , , , ; skos:definition "Spectrophotometric assay following the Lorenzen protocol of acetone extract from particulates on a GF/F filter filtering water previously filtered through a 5um pore filter."@en ; skos:notation "SDN:P01::SPHASPPM" ; skos:note "accepted"@en ; skos:prefLabel "Concentration of phaeopigments {pheopigments} per unit volume of the water body [particulate GF/F-5um phase] by filtration, acetone extraction and spectrophotometry and processing following the Lorenzen protocol"@en ; skos:related , , , , . skos:related .