Validation Log 2024-05-26 06:32:02.235840 mwtab Python Library Version: 1.2.5 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN004909/mwtab/txt Study ID: ST002989 Analysis ID: AN004909 File format: txt Status: Contains Validation Errors Number Errors: 1 Error Log: SCHEMA: Section "CHROMATOGRAPHY" does not match the allowed schema. Wrong key 'SOLVENT_C' in OrderedDict([('CHROMATOGRAPHY_TYPE', 'Ion exchange'), ('INSTRUMENT_NAME', 'Thermo Scientific Dionex ICS-6000 HPIC'), ('COLUMN_NAME', 'Dionex IonPac AS11-HC (250 × 2mm, 9um, 2000Ã) and AG11-HC (50 × 2 mm, 13um)'), ('SOLVENT_A', '100 mM NaOH/water; water'), ('SOLVENT_B', 'water'), ('SOLVENT_C', '2 mM acetic acid in methanol'), ('FLOW_GRADIENT', '0.15 mL/min: 0min:20%/80%, 3.01min:20%/80%,12min:50%/50%, 21min:100%/100%, 26min:100%/100%, 26.1min:20%/80%,0min:80%/20%, 30min:80%/20%'), ('FLOW_RATE', '0.15 mL/min'), ('COLUMN_TEMPERATURE', '30 ℃')])