{"id":"W4200579649","doi":"10.3791/53416-v","title":"Measurement of H&lt;sub&gt;2&lt;/sub&gt;S in Crude Oil and Crude Oil Headspace Using Multidimensional Gas Chromatography, Deans Switching and Sulfur-selective Detection","year":2015,"lang":"en","type":"article","venue":"Journal of Visualized Experiments","topic":"Advanced Chemical Sensor Technologies","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Natural Resources Canada","funders":"","keywords":"Hydrogen sulfide; Sulfur; Gas chromatography; Chemistry; Chromatography; Sulfide; Hydrogen; Chemiluminescence; Analytical Chemistry (journal); Organic chemistry","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":[0.0002925915,0.0003807807,0.0001953945,0.0004215721,0.0002440154,0.0003225804,0.0003544147,0.0002597666,0.0004584496],"category_scores_gemma":[0.0002981744,0.0001692792,0.0001565042,0.000383521,0.0004590801,0.0003345895,0.0003652321,0.0003806705,0.000216127],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005461239,"about_ca_system_score_gemma":0.0006081116,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002708801,"about_ca_topic_score_gemma":0.005955607,"domain_scores_codex":[0.9997808,0.00002481181,0.00001206725,0.00005383309,0.0001029605,0.00002554004],"domain_scores_gemma":[0.9997765,0.00006942335,0.00004126934,0.00001620588,0.00005690179,0.00003970465],"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":[0.0000631946,0.000008515291,0.0005297182,0.0000200793,0.000003836261,0.0000128584,0.00001517135,0.00004524691,0.9964091,0.00007449283,0.0000346371,0.002783199],"study_design_scores_gemma":[0.000002136732,0.00004487809,0.001639227,0.000001089556,0.000003776158,0.00003856051,0.00001339436,0.0007793223,0.9969392,0.00002293204,0.0005111676,0.000004358601],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.8752755,0.001523426,0.1195047,0.0001878293,0.00005749521,0.00009736134,0.0009636559,0.0006833851,0.001706728],"genre_scores_gemma":[0.8433964,0.001422321,0.1507711,0.0001331658,0.00002806177,0.0001689582,0.000797085,0.00007041169,0.003212449],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.002708801,"threshold_uncertainty_score":0.005386055,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03053519931705781,"score_gpt":0.3294105997216243,"score_spread":0.2988754004045665,"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."}}