{"id":"W2049208644","doi":"10.1021/ed077p1611","title":"An Undergraduate Experiment for the Measurement of Trace Metals in Core Sediments by ICP-AES and GFAAS","year":2000,"lang":"en","type":"article","venue":"Journal of Chemical Education","topic":"Analytical chemistry methods development","field":"Chemistry","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Cadmium; Environmental chemistry; Manganese; Microwave digestion; Environmental science; Chemistry; Mineralogy; Geology; Chromatography; Detection limit","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":[0.002460359,0.0006700142,0.0006548742,0.0003218042,0.002010619,0.0006181046,0.001285514,0.001131614,0.00704417],"category_scores_gemma":[0.001998719,0.0004705543,0.000513586,0.0003328971,0.000750117,0.0007393287,0.001630217,0.002120904,0.002704966],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008574063,"about_ca_system_score_gemma":0.00144814,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001262979,"about_ca_topic_score_gemma":0.002423725,"domain_scores_codex":[0.9977235,0.0004693806,0.0001259995,0.0008245879,0.0004918395,0.0003646963],"domain_scores_gemma":[0.9967879,0.000411124,0.000155238,0.0006988057,0.0007748224,0.001172178],"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":[0.008087505,0.05687224,0.04005148,0.000213308,0.0001344256,0.000443658,0.00282448,0.000770041,0.7417043,0.004308301,0.004977672,0.1396126],"study_design_scores_gemma":[0.002718206,0.1625534,0.1049765,0.00005232928,0.0002436532,0.001085406,0.001958401,0.008241176,0.620796,0.003991646,0.09317306,0.0002102755],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.9691673,0.00003840332,0.01997902,0.0005041484,0.0002719131,0.00261669,0.0006361562,0.0004121882,0.006374216],"genre_scores_gemma":[0.8353372,0.0001098358,0.1004845,0.001739011,0.0001699013,0.006157518,0.001826051,0.0002294837,0.05394647],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.00704417,"threshold_uncertainty_score":0.02356511,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04924850202459024,"score_gpt":0.3575754135022932,"score_spread":0.3083269114777029,"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."}}