Using the attribute control chart to monitor a chemical manufacturing process

The chemical and pharmaceutical industries have quality as a prerequisite for the smooth running of their processes. Quality monitoring in this type of industrial activity is carried out using attribute control charts, among others. The aim of this article is to show a case study carried out in a company in the south of the state of Rio de Janeiro which used this type of control chart, more specifically the NP control chart, to monitor an antibiotic manufacturing process. The results showed the need for some adjustments and management actions will be taken to improve the process