{"id":"W4386605505","doi":"10.1007/s10967-023-09130-w","title":"Determination of 226Ra in environmental samples by alpha spectrometry: a new separation method based on the rapid co-precipitation of 226Ra with PbSO4","year":2023,"lang":"en","type":"article","venue":"Journal of Radioanalytical and Nuclear Chemistry","topic":"Radioactivity and Radon Measurements","field":"Health Professions","cited_by":9,"is_retracted":false,"has_abstract":false,"ca_institutions":"Canadian Nuclear Laboratories; Response Biomedical (Canada)","funders":"","keywords":"Precipitation; Mass spectrometry; Chemistry; Analytical Chemistry (journal); Environmental chemistry; Chromatography; 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":[0.0009258898,0.0007648268,0.0007327613,0.001110304,0.0003241387,0.0005914465,0.0009754349,0.0009085984,0.0006054611],"category_scores_gemma":[0.0005670646,0.0006287975,0.000420128,0.0004102135,0.0006079919,0.0006437257,0.0007581002,0.0009776251,0.0007336459],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002819999,"about_ca_system_score_gemma":0.000734209,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004645406,"about_ca_topic_score_gemma":0.001245815,"domain_scores_codex":[0.9991804,0.000150965,0.00004839961,0.0002145399,0.0003601664,0.00004560354],"domain_scores_gemma":[0.999611,0.0001168766,0.00007198868,0.00003459732,0.0001218254,0.00004386058],"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":[0.00006086842,0.00001977364,0.0006080258,0.00007280483,0.00001559426,0.00002593973,0.00001726066,0.00004142166,0.9907162,0.00008616483,0.00008251322,0.008253488],"study_design_scores_gemma":[0.00001691846,0.0002023087,0.002497075,0.0000062409,0.00003648625,0.0007976226,0.00001656699,0.001222659,0.9908152,0.00007334195,0.004291778,0.00002385001],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.327238,0.01179827,0.6539736,0.0005407546,0.000490071,0.0002843442,0.0005512368,0.001770695,0.003353008],"genre_scores_gemma":[0.3659484,0.007721321,0.6123334,0.0003848615,0.0001717315,0.0003101274,0.0008338887,0.0001878676,0.01210836],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.001110304,"threshold_uncertainty_score":0.004896581,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04483582596791685,"score_gpt":0.3664527959699204,"score_spread":0.3216169700020035,"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."}}