{"id":"W2045511907","doi":"10.1002/jssc.201000533","title":"Determination of polar impurities in biodiesels using solid‐phase extraction and gas chromatography–mass spectrometry","year":2011,"lang":"en","type":"article","venue":"Journal of Separation Science","topic":"Biodiesel Production and Applications","field":"Engineering","cited_by":27,"is_retracted":false,"has_abstract":true,"ca_institutions":"Environment and Climate Change Canada","funders":"Natural Resources Canada","keywords":"Chemistry; Chromatography; Solid phase extraction; Stigmasterol; Glyceride; Silylation; Extraction (chemistry); Glycerol; Mass spectrometry; Biodiesel; Gas chromatography–mass spectrometry; Vegetable oil; Gas chromatography; Campesterol; Fatty acid; Organic chemistry; Sterol","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0006465634,0.00135439,0.0006502994,0.00164456,0.0004300325,0.000539782,0.0005175117,0.0008668764,0.0004523245],"category_scores_gemma":[0.0007547073,0.0004092781,0.0007163559,0.0009253822,0.0005300046,0.0007169682,0.0006763641,0.0006616968,0.0006100234],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003817158,"about_ca_system_score_gemma":0.0005930348,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00109235,"about_ca_topic_score_gemma":0.002288256,"domain_scores_codex":[0.9988207,0.0001329411,0.00008213833,0.0002817847,0.000610195,0.00007212479],"domain_scores_gemma":[0.999507,0.0001474099,0.00009588111,0.00003784023,0.000191496,0.00002043563],"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":[0.0001054766,0.00002572337,0.001497331,0.0001698358,0.00004241512,0.00007160252,0.00002529753,0.0001960701,0.9787008,0.00007822864,0.00004181715,0.0190454],"study_design_scores_gemma":[0.000008746048,0.0001120678,0.002725301,0.00002488502,0.00005091588,0.0002551664,0.0000313142,0.001909075,0.9920357,0.0001169131,0.002710666,0.00001918106],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6566017,0.02463289,0.3087506,0.0003139599,0.0002741356,0.0006560083,0.001863963,0.001144553,0.005762202],"genre_scores_gemma":[0.6877366,0.01822389,0.2835135,0.0007299941,0.0001474999,0.0005676867,0.002607497,0.0002250375,0.006248328],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00164456,"threshold_uncertainty_score":0.003419399,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04468430642854334,"score_gpt":0.3551906030904038,"score_spread":0.3105062966618605,"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."}}