{"id":"W2027659177","doi":"10.1021/es051432i","title":"Adsorption of Arsenate onto Ferrihydrite from Aqueous Solution:  Influence of Media (Sulfate vs Nitrate), Added Gypsum, and pH Alteration","year":2005,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Arsenic contamination and mitigation","field":"Environmental Science","cited_by":152,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Natural Sciences and Engineering Research Council of Canada; Barrick Gold Corporation","keywords":"Arsenate; Ferrihydrite; Chemistry; Adsorption; Inorganic chemistry; Sulfate; Arsenic; Aqueous solution; Gypsum; Coprecipitation; Ion exchange; Nuclear chemistry; Ion; Geology; Organic chemistry","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002789148,0.0005711401,0.0004597028,0.0002116911,0.0001998484,0.0003663759,0.0002812052,0.0004383852,0.0005380622],"category_scores_gemma":[0.0003243929,0.000216195,0.0003307236,0.0001922792,0.0001536857,0.0002702075,0.0002399825,0.0002875227,0.0002162428],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000286763,"about_ca_system_score_gemma":0.0003559133,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004147323,"about_ca_topic_score_gemma":0.006321043,"domain_scores_codex":[0.9997819,0.00005003542,0.00001851014,0.000040255,0.00006058456,0.00004875912],"domain_scores_gemma":[0.999893,0.00003316259,0.00001922522,0.00000627206,0.00003454041,0.00001385967],"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":[0.0001083219,0.00001677077,0.0002215957,0.00004892301,0.000008670984,0.00002073025,0.000018962,0.00008840187,0.9983237,0.00001094907,0.00001056174,0.001122406],"study_design_scores_gemma":[0.000006398598,0.0002830288,0.001581762,0.000003880879,0.00001364874,0.00003970134,0.00002857944,0.000868067,0.9967333,0.00001127554,0.0004244738,0.000005869029],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980282,0.0005780207,0.0006583889,0.00002682418,0.00001471357,0.00001737369,0.00006859883,0.00001775102,0.0005900674],"genre_scores_gemma":[0.9956607,0.0009351242,0.002006862,0.00002463944,0.00001079623,0.00001570919,0.0001907743,0.00001091597,0.001144589],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004147323,"threshold_uncertainty_score":0.008246362,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004260056284146644,"score_gpt":0.1963058961245973,"score_spread":0.1920458398404506,"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."}}