{"id":"W2126684858","doi":"10.1002/9780470027318.a0861","title":"Sample Preparation for Elemental Analysis of Biological Samples in the Environment","year":2000,"lang":"en","type":"other","venue":"Encyclopedia of Analytical Chemistry","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Health Canada","funders":"","keywords":"Ashing; Neutron activation analysis; Sample preparation; Chemistry; Mass spectrometry; Inductively coupled plasma mass spectrometry; Matrix (chemical analysis); Microwave digestion; Analytical Chemistry (journal); Graphite furnace atomic absorption; Atomic absorption spectroscopy; Chromatography; Detection limit; Radiochemistry","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":[0.001049752,0.0007702723,0.0006896976,0.001338141,0.0009508931,0.0004885584,0.0008345708,0.0006516019,0.009290615],"category_scores_gemma":[0.001067671,0.0003108493,0.0004596254,0.0008320398,0.0003140096,0.0004702908,0.000704636,0.0008414276,0.005596075],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002236977,"about_ca_system_score_gemma":0.0007459582,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004658499,"about_ca_topic_score_gemma":0.002228249,"domain_scores_codex":[0.9993031,0.0001065259,0.00006271168,0.0001537215,0.0003243626,0.00004963647],"domain_scores_gemma":[0.9997266,0.00005419528,0.00002005191,0.00006912518,0.0001140476,0.00001596793],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001311733,0.0000695744,0.0006990571,0.0005623685,0.00001875291,0.0001978281,0.00007051264,0.0002746894,0.9513168,0.0007963867,0.001443677,0.04441915],"study_design_scores_gemma":[0.00003213271,0.0003151734,0.004657947,0.0001078973,0.00005094376,0.0006559935,0.0001054299,0.001016992,0.8395476,0.001080973,0.152403,0.0000258627],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.1394952,0.007249942,0.7934691,0.0004622668,0.001352471,0.005714761,0.008976155,0.004686135,0.03859398],"genre_scores_gemma":[0.1027892,0.01025197,0.8324836,0.0007488591,0.000177877,0.006500929,0.01108241,0.001182451,0.03478273],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.009290615,"threshold_uncertainty_score":0.03108019,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03003029685515233,"score_gpt":0.3041004210677979,"score_spread":0.2740701242126455,"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."}}