{"id":"W1971750146","doi":"10.1016/j.chemosphere.2014.11.041","title":"Fractionation of oil sands-process affected water using pH-dependent extractions: A study of dissociation constants for naphthenic acids species","year":2015,"lang":"en","type":"article","venue":"Chemosphere","topic":"Petroleum Processing and Analysis","field":"Chemistry","cited_by":56,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta; Canadian Natural Resources","funders":"Helmholtz-Alberta Initiative; Alberta Innovates; Natural Sciences and Engineering Research Council of Canada; Canada Research Chairs; Syncrude","keywords":"Naphthenic acid; Fractionation; Chemistry; Oil sands; Dissociation (chemistry); Environmental chemistry; Chromatography; Organic chemistry; Asphalt; Materials science","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002143608,0.0001372661,0.0002974368,0.00002778544,0.0001013977,0.00002858613,0.0001155362,0.0001138131,0.0002592081],"category_scores_gemma":[0.0002061887,0.0001146252,0.00008834826,0.0001686641,0.00003556969,0.0002247414,0.000019179,0.000100817,0.000001596737],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001620487,"about_ca_system_score_gemma":0.00009683205,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006883315,"about_ca_topic_score_gemma":0.00004146526,"domain_scores_codex":[0.9988403,0.00001865628,0.0003692372,0.000225528,0.0003886466,0.0001575745],"domain_scores_gemma":[0.9988086,0.00004502465,0.0003161182,0.0001761663,0.0006041538,0.00004989948],"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":[0.0002638836,0.001647426,0.01946189,0.0005726176,0.0004628395,0.000001438305,0.003988426,0.002977783,0.9647893,0.000004424306,0.00004124926,0.00578867],"study_design_scores_gemma":[0.004079758,0.00008131909,0.0003638614,0.0001793688,0.0005192044,0.000006127266,0.04502276,0.01713719,0.9318805,0.0002240883,0.0002187081,0.0002871624],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9952373,0.0001506756,0.0006910274,0.00002605785,0.00005673589,0.0000215945,0.00002875269,0.00004160267,0.003746258],"genre_scores_gemma":[0.996517,0.000007548554,0.0001854485,0.000003202657,0.00007118645,0.00001778152,0.00006153146,0.00001833908,0.00311798],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04103434,"threshold_uncertainty_score":0.4674279,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04277389896346705,"score_gpt":0.3063590150473145,"score_spread":0.2635851160838474,"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."}}