2026-10-15T08:41:26Z https://api.figshare.com/v2/oai

oai:figshare.com:article/26477980 2025-01-28T17:20:19Z category_26503 category_25093 portal_918 item_type_3 month_year_01_2025

Data for Zhu et al. "Validation of an Electronic VOC Sensor Against Gas Chromatography–Mass Spectrometry" Christopher Blanford (11772425) Xiao Zhu (18862293) Waqar Ahmed (18862347) Kamila Schmidt (18862350) Raissa Barroso (19680343) Stephen Fowler (4257679) Electronic sensors Sensor technology (incl. chemical aspects) pinene gas chromatographic analysis Thermal desorption gas chromatography electronic sensors volatile organic compounds metal oxide gas sensors real-time monitoring systems validation research <h2>Electronic supporting information</h2><h3>Description</h3><ul><li>Schematics and photographs of the gas sampling system</li><li>BME680 gas sensor specifications and format</li><li>Results from a qualitative flow rate test</li><li>EI 70 eV spectra of α-pinene and 4-bromofluorobenzene</li><li>Log-log plot of the time constant against the mass of α-pinene</li><li>Sensitivity and limit of detection for three BME680 sensors</li><li>Log-log plot showing the linear range of a BME680 sensor</li><li>Four repetitions of the 1000 ppb α-pinene calibration test</li><li>Log-log plot showing the linear range of the TD-GC-MS</li><li>Representative responses for BME680/GC validation studies</li><li>Validation of three BME680 sensors against TD-GC-MS for α-pinene</li><li>Calibrated peaks of a BME680 sensor response</li><li>Sample correlation matrix comparing the response between four sensors recording three exposures to 200 ppb α-pinene in static argon for continuously acquired data</li><li>Relative variation in the responses between four sensors to six concentrations of α-pinene before and after calibrations for continuously acquired data</li><li>Calibration protocol</li><li>Additional scanning electron micrographs of BME680 gas sensor and EDS spectrum of the active area</li><li>Comparison of electronic and TD-GC-MS VOC sensing</li></ul><h3>File format</h3><p dir="ltr">portable document format (pdf)</p><h2>ZIP file</h2><h3>BME680 calibration tests</h3><h4>Description</h4><p dir="ltr">This dataset contains data for 8 different concentrations of alpha-pinene: 1 ppb, 10 ppb, 25 ppb, 50 ppb, 100 ppb, 200 ppb, 500 ppb, and 1000 ppb. Each concentration was tested in triplicate using three different sensors: TCA0, TCA1, and TCA3. Each concentration run includes three repetitions for each sensor.</p><h4>File format</h4><p dir="ltr">comma-separated values (csv)</p><h4>File naming convention</h4><p dir="ltr">BME680_gas_sensor_[sensor number]_[ISO-UTCdatetime].csv</p><h3>BME continuous run</h3><h4>Description</h4><p dir="ltr">This dataset includes data from a continuous run used for two-point sensor calibration. Data were collected from four sensors, each continuously recording data for 5 different concentrations of alpha-pinene.</p><h4>File format</h4><p dir="ltr">comma-separated values (csv)</p><h4>File naming convention</h4><p dir="ltr">BME680_gas_sensor_[sensor number]_[ISO-UTCdatetime].csv</p><h3>BME validation tests</h3><h4>Description</h4><p dir="ltr">This dataset contains data for 3 concentrations of alpha-pinene, recorded by three sensors: TCA0, TCA1, and TCA3. Each concentration was tested in triplicate.</p><h4>File format</h4><p dir="ltr">comma-separated values (csv)</p><h4>File naming convention</h4><p dir="ltr">BME680_gas_sensor_[sensor number]_[ISO-UTCdatetime].csv</p><h3>GC calibration data</h3><h4>Description</h4><p dir="ltr">This dataset is organized by concentration of alpha-pinene, including 0.01 ppb, 0.1 ppb, 1 ppb, 10 ppb, 25 ppb, 50 ppb, 100 ppb, and blank tests. The processed data is compiled in an Excel workbook.</p><h4>File formats</h4><p dir="ltr">comma-separated values (csv) and Open Office XML-based spreadsheet format (xlsx)</p><h4>File naming convention</h4><p dir="ltr"><br></p><ul><li>All data: [concentration in ppm]c.csv</li><li>Region containing the internal standard molecule: [concentration in ppm]c 174-95.csv </li><li>Region containing α-pinene molecule fragment 1: [concentration in ppm]c 136-93.csv </li><li>Region containing α-pinene molecule fragment 2: [concentration in ppm]c 93-77.csv </li><li>Combined processed data: Peaks all in one.xlsx</li></ul><h3>GC validation</h3><h4>Description</h4><p dir="ltr">This dataset contains data for three concentrations: 30 ppb, 50 ppb, and 100 ppb. Each concentration has two files: one for internal standard results and another for tested alpha-pinene. Each concentration was tested in triplicate. The processed data is compiled in an Excel workbook titled 'Peaks areas'.</p><h4>File format</h4><p dir="ltr">Open Office XML-based spreadsheet format (xlsx)</p><h4>File naming convention</h4><p dir="ltr">[concentration in ppm] [repetition] [ISTD|alpha].xlsx</p><h3>Calibration workbook</h3><h4>Description</h4><p dir="ltr">This spreadsheet contains all the calculations for statistical analysis related to calibration</p><h4>File format</h4><p dir="ltr">Open Office XML-based spreadsheet format (xlsx)</p><h4>File name</h4><p dir="ltr">Calculation workbook.xlsx</p><h3>BME validation workbook</h3><h4>Description</h4><p dir="ltr">This workbook contains all figures and data analysis related to the BME validation tests.</p><h4>File formats</h4><p dir="ltr">GraphPad Prism 5-9 Project (pfzx) [closed format] and GraphPad Prism Project (prism) [same data, open format]</p><h4>File name</h4><p dir="ltr">BME validation workbook.[pfzx|prism]</p><h3>Table of contents</h3><h4>Description</h4><p dir="ltr">This text for this ZIP file's contents</p><h4>File format</h4><p dir="ltr">rich-text format (rtf)</p><h4>File name</h4><p dir="ltr">README.rtf</p> 2025-01-08T16:17:35Z Dataset Dataset 10.48420/26477980.v2 https://figshare.com/articles/dataset/Data_for_Zhu_et_al_Validation_of_an_Electronic_VOC_Sensor_Against_Gas_Chromatography_Mass_Spectrometry_/26477980 CC BY 4.0