{"id":"W2259107538","doi":"10.3390/chromatography3010005","title":"Comparison of Spot and Time Weighted Averaging (TWA) Sampling with SPME-GC/MS Methods for Trihalomethane (THM) Analysis","year":2016,"lang":"en","type":"article","venue":"Separations","topic":"Water Treatment and Disinfection","field":"Environmental Science","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"Memorial University of Newfoundland","funders":"","keywords":"Trihalomethane; Solid-phase microextraction; Sampling (signal processing); Chromatography; Chemistry; Detection limit; Calibration; Extraction (chemistry); Gas chromatography–mass spectrometry; Environmental science; Mass spectrometry; Environmental chemistry; Analytical Chemistry (journal); Mathematics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000183149,0.0000897697,0.0002035912,0.0000997214,0.0001265659,0.00001813178,0.00003873583,0.00003087273,0.0004958633],"category_scores_gemma":[0.00001383733,0.0000563795,0.00005855344,0.000383722,0.0000745655,0.0001822337,0.00002035581,0.0000191135,0.00003249544],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004914134,"about_ca_system_score_gemma":0.000005048026,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009033088,"about_ca_topic_score_gemma":0.00007073543,"domain_scores_codex":[0.999374,0.00005276965,0.0001646737,0.0001978065,0.0000848064,0.0001258962],"domain_scores_gemma":[0.9995045,0.000219853,0.00008549684,0.0001279685,0.00001240731,0.00004977618],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001299032,0.0002680361,0.7063762,0.000008887671,0.0004996067,3.555831e-7,0.001132711,0.002106027,0.2618106,0.0002418476,0.00019427,0.0272315],"study_design_scores_gemma":[0.003450942,0.0008055514,0.4856466,0.00003745055,0.002615772,0.000006751273,0.0001332247,0.0462126,0.4485372,0.003918548,0.008042336,0.0005930748],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5993962,0.00001675067,0.398733,0.000113239,0.00001320899,0.0001711062,0.00001416227,0.00002002519,0.001522265],"genre_scores_gemma":[0.9059051,0.000003823361,0.09282962,0.000006472194,0.00001239439,0.00002954829,0.00004634186,0.000006048474,0.001160626],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3065089,"threshold_uncertainty_score":0.5429356,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03817688017756236,"score_gpt":0.3761113622964469,"score_spread":0.3379344821188845,"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."}}