Ms. Siya Augustine Assey
Manager, Medicine Chemical Analysis Laboratory
Ms. Siya Augustine Assey is a seasoned pharmaceutical analyst with over 25 years of professional experience in medicines quality control, regulatory compliance, and laboratory management. She holds a Master of Science in Pharmaceutical Analysis and Quality Control from King’s College London (UK) and a Bachelor of Pharmacy from J.S.S. College of Pharmacy, India.
Currently serving as Manager of the Medicines Chemical Analysis Section at TMDA, Ms. Assey oversees all technical operations, including method development and validation, equipment qualification, review and approval of analytical results, and training of laboratory staff. Her leadership ensures the section’s compliance with ISO/IEC 17025:2017 and WHO Good Practices for Pharmaceutical Quality Control Laboratories.
Over her career, Ms. Assey has contributed extensively to the development of analytical methods, inspection of pharmaceutical manufacturing facilities, and the enhancement of quality management systems. She has undergone advanced training in analytical method validation, pharmaceutical quality control techniques, microbiology, GMP, and ISO quality auditing in Africa, Europe, and Asia.
Her expertise, dedication to quality, and commitment to capacity building continue to strengthen TMDA’s role as a trusted partner in safeguarding the quality, safety, and efficacy of medicines in Tanzania and beyond.
The Medicines Chemical Analysis Laboratory is a WHO-prequalified facility dedicated to the physico-chemical analysis of a wide range of pharmaceutical and health-related products. Our services cover:
- Human and veterinary medicines;
- Medicines’ raw materials;
- Biocidals;
- Health-related products and
- Non regulated products.
Our Role
This laboratory ensures that medicines and related products meet strict national and international quality standards, protecting public health and supporting regulatory decisions. We test for key quality attributes such as potency, purity, identity, and safety, in line with ISO/IEC 17025:2017 and WHO Good Practices for Pharmaceutical Quality Control Laboratories.
Key Analytical Capabilities
We are equipped with state-of-the-art instruments for precise and reliable testing, including:
- LC–MS (Liquid Chromatography–Mass Spectrometry)
- GC–MS (Gas Chromatography–Mass Spectrometry)
- HPLC (High-Performance Liquid Chromatography)
- UV–VIS Spectrophotometer
- FTIR Spectroscopy (Fourier Transform Infrared)
- Dissolution Test Apparatus
- Microwave Plasma Atomic Emission Spectrometer (MP–AES)
These advanced technologies enable us to detect even trace-level impurities, verify composition, and ensure compliance with pharmacopoeia and regulatory requirements.
Fees and Charges
For details on the quality parameters and related testing costs, please refer to the Fees and Charges Regulations.