{"id":"W4390796150","doi":"10.1080/15275922.2023.2297418","title":"Method Development for Quantitative Analysis of Polycyclic Aromatic Hydrocarbons, Nitrogen Heterocycles and Sulfur Heterocycles in Crude Oils Using Quadrupole Time-of-Flight Mass Spectrometry","year":2024,"lang":"en","type":"article","venue":"Environmental Forensics","topic":"Toxic Organic Pollutants Impact","field":"Environmental Science","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Victoria; Environment and Climate Change Canada","funders":"","keywords":"Chemistry; Environmental chemistry; Mass spectrometry; Gas chromatography; Sulfur; Chromatography; Organic chemistry","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":[0.003151512,0.00154201,0.0008370138,0.002310451,0.0006651138,0.0006910639,0.00118525,0.001488791,0.001215616],"category_scores_gemma":[0.00342877,0.0006604566,0.000871653,0.001045368,0.000882804,0.001088998,0.001161207,0.001504903,0.0009917255],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009633151,"about_ca_system_score_gemma":0.0029739,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001994031,"about_ca_topic_score_gemma":0.004594904,"domain_scores_codex":[0.9960536,0.0004174785,0.0002163206,0.0007963447,0.002350775,0.0001654968],"domain_scores_gemma":[0.998531,0.0003675525,0.000251443,0.00009184626,0.0006884896,0.00006971454],"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":[0.00007510828,0.00008555054,0.001005357,0.0005043048,0.00006208455,0.0001553067,0.00009701934,0.000786179,0.9659984,0.0008442923,0.000413885,0.02997265],"study_design_scores_gemma":[0.00003058427,0.0004340275,0.003157692,0.00008205563,0.00005314984,0.0006952159,0.00008868259,0.01374009,0.9672779,0.0005398439,0.01380636,0.00009443166],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.1119216,0.007105613,0.8693751,0.0004036052,0.000378228,0.00231181,0.001776579,0.002468653,0.004258875],"genre_scores_gemma":[0.1905131,0.006450402,0.7932407,0.0006280722,0.0000930949,0.002919562,0.001556845,0.0002283634,0.004369856],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.003151512,"threshold_uncertainty_score":0.01666695,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01554716271530418,"score_gpt":0.2767217206856637,"score_spread":0.2611745579703595,"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."}}