Shewhart control chart

{
  "id": "MLC-T-CHM-010815",
  "term": "Shewhart control chart",
  "field": "Chemistry",
  "definition": "A statistical process control tool used to monitor the stability and performance of an analytical measurement process over time. It displays data points, such as measurement results or process parameters, plotted against time, along with upper and lower control limits. Deviations beyond these limits indicate that the process may be out of statistical control.",
  "subject": "Analytical Chemistry",
  "see_also": [
    "control chart",
    "Shewhart control limit"
  ],
  "references": [
    "PAC, 2021, 93, 997. 'Metrological and quality concepts in analytical chemistry (IUPAC Recommendations 2021)' on page 1040 (https://doi.org/10.1515/pac-2019-0819)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/shewhart-control-chart/"
}