Quality Control in the Pharmaceutical Industry and Biotechnology Using Kjeldahl Analysis

Reliable nitrogen determination plays a key role in quality control across the pharmaceutical and biotechnology industries. This application review shows how the Kjeldahl method provides a proven and cost-effective approach for measuring nitrogen content in raw materials, active pharmaceutical ingredients (APIs) and finished products.

The review outlines the complete Kjeldahl workflow, including digestion, steam distillation and titration, and explains how these steps support accurate, reproducible results in regulated laboratory environments. It also discusses method selection, automation and data management to help laboratories improve efficiency while maintaining compliance with industry requirements.

Inside the Application Review:

• The role of Kjeldahl nitrogen determination in pharmaceutical and biotechnology quality control.
• Key steps of the Kjeldahl workflow, from digestion to final titration.
• Practical guidance for accurate and reproducible nitrogen analysis.
• Comparison of different titration approaches used in regulated laboratories.
• Benefits of workflow automation for improving productivity and reducing manual workload.
• Considerations for data integrity, traceability and regulatory compliance.

This application review is valuable for quality control laboratories, pharmaceutical manufacturers and biotechnology organizations looking to optimize nitrogen determination workflows and ensure consistent analytical results.