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A Practical Guide to pH Measurement and Controls

A Practical Guide to pH Measurement and Controls

This eLearning module looks at why measuring pH accurately is essential during drug manufacturing, It also provides an overview of the proper controls and procedures to use a pH meter.​


  • What is a buffer and what is  pH​

  • Why is control of pH essential and how is it measured​

  • Different components of the pH meter​

  • Different steps in measurement of pH including calibration of the pH meter, intermediate rinsing, and taking the final measurements.​

  • Electrodes, probes, and precautions to be taken while handling them.​

  • Why it matters

    Maintaining pH is critical in ensuring process efficiency and product quality in the pharmaceutical industry. pH impacts the composition of the final drug product and influences the entire manufacturing process. This includes cell growth, purification of proteins and DNA, testing and analysis of intermediates, and API. Stability and efficacy of the drugs are also dependent on the pH of the final composition​

  • Who is it for​ ​

    Employees in areas of analytical quality control, quality assurance, and manufacturing of drug products, and drug substance should complete this module.​

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