scan.json (13149B)
1 { 2 "paper": { 3 "title": "Determination of the force transmission error in a single-sinker magnetic suspension densimeter due to the fluid-specific effect and its correction for use with gas mixtures containing oxygen", 4 "authors": ["Daniel Lozano-Martín", "María E. Mondéjar", "José J. Segovia", "César R. Chamorro"], 5 "year": 2024, 6 "venue": "Unknown" 7 }, 8 "checklist": { 9 "artifacts": { 10 "code_released": { 11 "applies": true, 12 "answer": false, 13 "justification": "No source code or software repository is mentioned in the paper." 14 }, 15 "data_released": { 16 "applies": true, 17 "answer": false, 18 "justification": "Measurement data are presented in tables within the paper but no downloadable dataset or supplementary data files are provided." 19 }, 20 "environment_specified": { 21 "applies": true, 22 "answer": false, 23 "justification": "No computational environment specifications are provided. The paper describes laboratory apparatus but not software tools." 24 }, 25 "reproduction_instructions": { 26 "applies": true, 27 "answer": false, 28 "justification": "No step-by-step reproduction instructions are provided. The apparatus is described but not in a reproducible-recipe format." 29 } 30 }, 31 "statistical_methodology": { 32 "confidence_intervals_or_error_bars": { 33 "applies": true, 34 "answer": true, 35 "justification": "The paper reports expanded uncertainties for density measurements (e.g., U(ρ) values in tables) and discusses measurement uncertainty throughout." 36 }, 37 "significance_tests": { 38 "applies": false, 39 "answer": false, 40 "justification": "The paper does not make comparative claims requiring significance tests; it determines apparatus constants and corrects measurement errors." 41 }, 42 "effect_sizes_reported": { 43 "applies": false, 44 "answer": false, 45 "justification": "Not applicable — this is a metrological calibration study, not a comparative experiment." 46 }, 47 "sample_size_justified": { 48 "applies": false, 49 "answer": false, 50 "justification": "Not applicable — sample sizes are determined by the measurement protocol (temperature/pressure points), not statistical power considerations." 51 }, 52 "variance_reported": { 53 "applies": true, 54 "answer": true, 55 "justification": "Measurement uncertainties and deviations from reference equations of state are reported throughout the tables and figures." 56 } 57 }, 58 "evaluation_design": { 59 "baselines_included": { 60 "applies": true, 61 "answer": true, 62 "justification": "Results are compared against reference equations of state (GERG-2008, Span-Wagner EOS) and literature values from other densimeters." 63 }, 64 "baselines_contemporary": { 65 "applies": true, 66 "answer": true, 67 "justification": "GERG-2008 and Span-Wagner equations of state are the current standard references in the field." 68 }, 69 "ablation_study": { 70 "applies": false, 71 "answer": false, 72 "justification": "Not applicable — this is a metrological study, not a system with modular components." 73 }, 74 "multiple_metrics": { 75 "applies": true, 76 "answer": true, 77 "justification": "The paper reports multiple metrics: relative deviations from EOS, absolute density values, FTE correction magnitudes, and uncertainty budgets." 78 }, 79 "human_evaluation": { 80 "applies": false, 81 "answer": false, 82 "justification": "Human evaluation is irrelevant to physical density measurements." 83 }, 84 "held_out_test_set": { 85 "applies": false, 86 "answer": false, 87 "justification": "Not applicable — this is a metrological study, not a machine learning evaluation." 88 }, 89 "per_category_breakdown": { 90 "applies": true, 91 "answer": true, 92 "justification": "Results are broken down by gas type (nitrogen, carbon dioxide, oxygen, methane) and by temperature/pressure conditions." 93 }, 94 "failure_cases_discussed": { 95 "applies": true, 96 "answer": true, 97 "justification": "The paper discusses limitations of Method 1 for determining the apparatus-specific constant, explaining why it yielded less reliable results." 98 }, 99 "negative_results_reported": { 100 "applies": true, 101 "answer": true, 102 "justification": "Method 1 for determining ερ is reported as less reliable than Method 2, and the paper explains the inherent limitations." 103 } 104 }, 105 "claims_and_evidence": { 106 "abstract_claims_supported": { 107 "applies": true, 108 "answer": true, 109 "justification": "The abstract claims two methods yielded different ερ values and that Method 2 is more reliable. Both claims are supported by the experimental results." 110 }, 111 "causal_claims_justified": { 112 "applies": false, 113 "answer": false, 114 "justification": "The paper does not make causal claims; it determines apparatus constants through direct measurement." 115 }, 116 "generalization_bounded": { 117 "applies": true, 118 "answer": true, 119 "justification": "The paper clearly states results are specific to the University of Valladolid's densimeter and specific gas mixtures tested." 120 }, 121 "alternative_explanations_discussed": { 122 "applies": true, 123 "answer": true, 124 "justification": "The paper discusses why Method 1 gives different results from Method 2, considering systematic effects from sinker geometry and magnetic properties." 125 } 126 }, 127 "setup_transparency": { 128 "model_versions_specified": { 129 "applies": false, 130 "answer": false, 131 "justification": "Not applicable — no AI/ML models are used in this study." 132 }, 133 "prompts_provided": { 134 "applies": false, 135 "answer": false, 136 "justification": "Not applicable — no prompting or language models are used." 137 }, 138 "hyperparameters_reported": { 139 "applies": false, 140 "answer": false, 141 "justification": "Not applicable — no machine learning models are used." 142 }, 143 "scaffolding_described": { 144 "applies": false, 145 "answer": false, 146 "justification": "Not applicable — no agentic scaffolding is used." 147 }, 148 "data_preprocessing_documented": { 149 "applies": true, 150 "answer": true, 151 "justification": "The paper documents how raw balance readings are converted to density values through the FTE correction procedure, with equations and calibration steps." 152 } 153 }, 154 "limitations_and_scope": { 155 "limitations_section_present": { 156 "applies": true, 157 "answer": false, 158 "justification": "No dedicated limitations section. Limitations are discussed inline but there is no standalone section." 159 }, 160 "threats_to_validity_specific": { 161 "applies": true, 162 "answer": true, 163 "justification": "The paper discusses specific limitations of Method 1 related to the small difference between sinker densities and systematic effects of the measuring cell geometry." 164 }, 165 "scope_boundaries_stated": { 166 "applies": true, 167 "answer": true, 168 "justification": "The paper is clearly scoped to one specific densimeter at one institution, with specific gases and conditions." 169 } 170 }, 171 "data_integrity": { 172 "raw_data_available": { 173 "applies": true, 174 "answer": false, 175 "justification": "Raw measurement data are not available for download; only processed results are shown in tables." 176 }, 177 "data_collection_described": { 178 "applies": true, 179 "answer": true, 180 "justification": "The measurement procedure is described in detail, including apparatus setup, temperature/pressure ranges, and measurement protocol." 181 }, 182 "recruitment_methods_described": { 183 "applies": false, 184 "answer": false, 185 "justification": "Not applicable — no human participants; data come from laboratory measurements." 186 }, 187 "data_pipeline_documented": { 188 "applies": true, 189 "answer": true, 190 "justification": "The paper documents the full pipeline from raw balance readings through FTE correction to final density values, with all equations shown." 191 } 192 }, 193 "conflicts_of_interest": { 194 "funding_disclosed": { 195 "applies": true, 196 "answer": true, 197 "justification": "Acknowledgments section lists funding from Spanish government (MCIN/AEI) and regional government (Junta de Castilla y León)." 198 }, 199 "affiliations_disclosed": { 200 "applies": true, 201 "answer": true, 202 "justification": "Author affiliations are clearly listed: University of Valladolid and Technical University of Denmark." 203 }, 204 "funder_independent_of_outcome": { 205 "applies": true, 206 "answer": true, 207 "justification": "Funding is from government research agencies with no financial stake in the apparatus constant values determined." 208 }, 209 "financial_interests_declared": { 210 "applies": true, 211 "answer": false, 212 "justification": "No competing interests or financial disclosure statement is present in the paper." 213 } 214 }, 215 "contamination": { 216 "training_cutoff_stated": { 217 "applies": false, 218 "answer": false, 219 "justification": "Not applicable — no pre-trained AI/ML models are evaluated." 220 }, 221 "train_test_overlap_discussed": { 222 "applies": false, 223 "answer": false, 224 "justification": "Not applicable — no pre-trained AI/ML models are evaluated." 225 }, 226 "benchmark_contamination_addressed": { 227 "applies": false, 228 "answer": false, 229 "justification": "Not applicable — no pre-trained AI/ML models are evaluated." 230 } 231 }, 232 "human_studies": { 233 "pre_registered": { 234 "applies": false, 235 "answer": false, 236 "justification": "Not applicable — no human participants." 237 }, 238 "irb_or_ethics_approval": { 239 "applies": false, 240 "answer": false, 241 "justification": "Not applicable — no human participants." 242 }, 243 "demographics_reported": { 244 "applies": false, 245 "answer": false, 246 "justification": "Not applicable — no human participants." 247 }, 248 "inclusion_exclusion_criteria": { 249 "applies": false, 250 "answer": false, 251 "justification": "Not applicable — no human participants." 252 }, 253 "randomization_described": { 254 "applies": false, 255 "answer": false, 256 "justification": "Not applicable — no human participants." 257 }, 258 "blinding_described": { 259 "applies": false, 260 "answer": false, 261 "justification": "Not applicable — no human participants." 262 }, 263 "attrition_reported": { 264 "applies": false, 265 "answer": false, 266 "justification": "Not applicable — no human participants." 267 } 268 }, 269 "cost_and_practicality": { 270 "inference_cost_reported": { 271 "applies": false, 272 "answer": false, 273 "justification": "Not applicable — no AI inference or computational method is proposed." 274 }, 275 "compute_budget_stated": { 276 "applies": false, 277 "answer": false, 278 "justification": "Not applicable — this is a laboratory measurement study, not a computational study." 279 } 280 } 281 }, 282 "claims": [ 283 { 284 "claim": "The apparatus-specific constant ερ determined by Method 1 (two sinkers) is 4.6×10⁻⁵", 285 "evidence": "Experimental results comparing density measurements with two different sinkers (Section 3/4)", 286 "supported": "moderate" 287 }, 288 { 289 "claim": "The apparatus-specific constant ερ determined by Method 2 (oxygen measurements) is 8.822×10⁻⁵ and is more reliable", 290 "evidence": "Measurements with pure oxygen and comparison against Span-Wagner EOS, showing better agreement after correction", 291 "supported": "strong" 292 } 293 ], 294 "methodology_tags": ["case-study"], 295 "key_findings": "This paper determines the apparatus-specific constant for correcting force transmission error in a single-sinker magnetic suspension densimeter at the University of Valladolid. Two methods are compared, with oxygen-based measurement (ερ = 8.822×10⁻⁵) found more reliable than the two-sinker method (ερ = 4.6×10⁻⁵). The correction is essential for accurate density measurements of paramagnetic gas mixtures containing oxygen.", 296 "red_flags": [ 297 { 298 "flag": "Wrong paper for registry entry", 299 "detail": "This paper is about magnetic suspension densimeters and fluid density measurement — it has no connection to AI, LLMs, software engineering, or any topic in the survey scope. The PDF appears to be incorrectly associated with the registry slug 'reforms-consensus-ml-2024'." 300 } 301 ], 302 "cited_papers": [] 303 }