{"id":"W2045287507","doi":"10.1016/s0045-6535(01)00200-4","title":"Spiking of performance reference compounds in low density polyethylene and silicone passive water samplers","year":2002,"lang":"en","type":"article","venue":"Chemosphere","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":279,"is_retracted":false,"has_abstract":false,"ca_institutions":"Ministry of Transportation of Ontario","funders":"","keywords":"Low-density polyethylene; Polyethylene; Chemistry; Silicone; Solvent; Aqueous solution; Polymer; Passive sampling; Semipermeable membrane; Methanol; Chromatography; Membrane; Environmental chemistry; Calibration; 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":[0.001808003,0.0006803111,0.0003989538,0.0005164802,0.0004629938,0.0008321707,0.0008235858,0.001384385,0.0007609925],"category_scores_gemma":[0.003193627,0.0003838019,0.00046681,0.0005195428,0.0004964231,0.000416014,0.0004502823,0.000402982,0.0006053495],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009295325,"about_ca_system_score_gemma":0.0009301105,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001568789,"about_ca_topic_score_gemma":0.002129022,"domain_scores_codex":[0.997489,0.0005172084,0.0001917504,0.0005436781,0.001038626,0.0002196172],"domain_scores_gemma":[0.9989818,0.0003400788,0.00009830587,0.0001886002,0.0003451406,0.00004616269],"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":[0.0004997905,0.0001096821,0.002291788,0.0001097675,0.00002922016,0.00006583394,0.0001174971,0.00104522,0.9877251,0.0002131605,0.0001337213,0.007659259],"study_design_scores_gemma":[0.000008501616,0.0004067958,0.0007649154,0.000006314871,0.00001588522,0.00004291173,0.00002121873,0.001257,0.9967302,0.00006195227,0.0006800571,0.000004064988],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.9554151,0.001430695,0.03939103,0.0001861906,0.0001283402,0.0002414346,0.0005983891,0.0003401172,0.002268654],"genre_scores_gemma":[0.9693141,0.001281542,0.02308588,0.0001906419,0.00002800364,0.000218259,0.001050405,0.00006772409,0.004763585],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.001808003,"threshold_uncertainty_score":0.009561718,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02905841091513131,"score_gpt":0.239179305297277,"score_spread":0.2101208943821457,"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."}}