{"id":"W103166759","doi":"","title":"Determination of trace and rare earth elements in marine sediment reference materials by ICP-MS : Comparison of open and closed acid digestion methods","year":2007,"lang":"en","type":"article","venue":"Atomic Spectroscopy","topic":"Heavy metals in environment","field":"Environmental Science","cited_by":24,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Chemistry; Certified reference materials; Sediment; Digestion (alchemy); Sample preparation; Inductively coupled plasma mass spectrometry; Environmental chemistry; Matrix (chemical analysis); Rare earth; Detection limit; Analytical Chemistry (journal); Chromatography; Mineralogy; Mass spectrometry; Geology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001655811,0.000142691,0.0003486371,0.0000471763,0.00003380558,0.00001995407,0.000199613,0.0000724751,0.0006835543],"category_scores_gemma":[0.00003642815,0.000139173,0.00001126388,0.000105588,0.000166754,0.0002118474,0.0004027372,0.00008404912,0.00000570978],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001606701,"about_ca_system_score_gemma":0.000006365751,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005994917,"about_ca_topic_score_gemma":0.0001668079,"domain_scores_codex":[0.9984375,0.0001846476,0.00059037,0.0003250732,0.0002336363,0.0002288314],"domain_scores_gemma":[0.9993512,0.00008267971,0.0002829079,0.0002118519,0.000003211751,0.00006815776],"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":[0.00009298025,0.0001139995,0.1840118,0.0000141274,0.000003850503,6.941609e-7,0.0002521794,0.000001674149,0.7926459,0.00003132718,0.00001584455,0.02281568],"study_design_scores_gemma":[0.0004980268,0.0001373608,0.3530746,0.00001664254,0.000009442163,0.000001299617,0.0000719671,0.0001339251,0.6455059,0.0002457008,0.0002269386,0.00007823123],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.994329,0.00007181024,0.004140246,0.0000382444,0.0000478257,0.0005479509,0.00001515045,0.000005943975,0.000803861],"genre_scores_gemma":[0.8493047,0.00009809708,0.1504943,0.00001647162,0.000004421158,0.00001262453,0.00001594519,0.00000999169,0.00004351112],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1690628,"threshold_uncertainty_score":0.748444,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02395616734377425,"score_gpt":0.361710958393922,"score_spread":0.3377547910501478,"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."}}