{"id":"W4414250640","doi":"10.1021/acs.analchem.5c02607","title":"δ(<sup>18</sup>O/<sup>16</sup>O) Determinations in Water Using Inductively Coupled Plasma–Tandem Mass Spectrometry","year":2025,"lang":"en","type":"article","venue":"Analytical Chemistry","topic":"Groundwater and Isotope Geochemistry","field":"Earth and Planetary Sciences","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"European Research Council; Austrian Science Fund; Javna Agencija za Raziskovalno Dejavnost RS; European Partnership on Metrology","keywords":"Isotope; Inductively coupled plasma mass spectrometry; Mass spectrometry; Deuterium; Polyatomic ion; Analytical Chemistry (journal); Matrix (chemical analysis); Isotopes of oxygen; Oxygen","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005833182,0.0006927816,0.0002192469,0.0005211483,0.0002366853,0.000466496,0.0006865623,0.0004360122,0.001092487],"category_scores_gemma":[0.0007637984,0.0002919587,0.000255545,0.0004321441,0.0004983185,0.0006011755,0.0005185014,0.000373162,0.000681958],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004167822,"about_ca_system_score_gemma":0.0005342947,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001349916,"about_ca_topic_score_gemma":0.003262788,"domain_scores_codex":[0.9992769,0.00006861958,0.00004453351,0.0001766905,0.0003887797,0.00004442848],"domain_scores_gemma":[0.9997192,0.00004730664,0.00005649269,0.00002997207,0.0001372413,0.000009757325],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00005520882,0.000007446101,0.001654069,0.00008040049,0.0000101768,0.00006308648,0.00003881967,0.0002818451,0.9853225,0.0001228716,0.0001342019,0.01222933],"study_design_scores_gemma":[0.000006061935,0.00009920659,0.003749446,0.00001392497,0.00001900711,0.0001738187,0.0000890517,0.002033421,0.9869891,0.0002865471,0.006524059,0.00001631701],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.7767285,0.003575446,0.2053659,0.0002682553,0.0001282858,0.000356018,0.003044743,0.001247016,0.009286102],"genre_scores_gemma":[0.8271123,0.002679599,0.1623499,0.0003099475,0.00003827054,0.0003299185,0.001359876,0.0002521079,0.005567976],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.001349916,"threshold_uncertainty_score":0.003654778,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01877521493028873,"score_gpt":0.2443406950560017,"score_spread":0.225565480125713,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}