title: 21R-1 (SAMC3168865)
attributes.tag: sample_name
attributes.value: SAMC3168865_21R-1
attributes.tag: alkalinity
attributes.value: 2260 umol/kg
attributes.tag: collection_date
attributes.value: 2021-06-21
attributes.tag: depth
attributes.value: 0.5m
attributes.tag: env_broad_scale
attributes.value: surface sea
attributes.tag: env_local_scale
attributes.value: surfacesea water
attributes.tag: env_medium
attributes.value: ocean water
attributes.tag: geo_loc_name
attributes.value: missing: data agreement established pre-2023
attributes.tag: lat_lon
attributes.value: missing
attributes.tag: ngdc_project_id
attributes.value: PRJCA021255
attributes.tag: ngdc_release_date
attributes.value: 2025-11-13
attributes.tag: ngdc_sample_id
attributes.value: SAMC3168865
attributes.tag: BioSampleModel
attributes.value: MIMS.me.water