List of Proficiency Testing Scheme (PTS) Studies planned for 2025
                Physico-chemical studies
            
        | PTS255 | Potentiometric determination of pH (Ph. Eur. 2.2.3) | End Feb 2025 | 
| PTS256 | Liquid chromatography (Ph. Eur. 2.2.29, RP-C8 column, UV detection) | End April 2025 | 
| PTS257 | Dissolution (Ph. Eur. 2.9.3, immediate release tablets, paddle apparatus, UV-Vis spectrophotometry) | End June 2025 | 
| PTS258 | Gas chromatography (Ph. Eur. 2.2.28, capillary column, FID) | End Sept 2025 | 
| PTS259 | Capillary electrophoresis (Ph. Eur. 2.2.47) | End Nov 2025 | 
                Biological studies
            
        | PTS260 | HCV NAT (Ph. Eur. 2.6.21) | March-April 2025 | 
| PTS261 | B19 NAT (Ph. Eur. 2.6.21) | March-April 2025 | 
| PTS262 | HEV NAT (Ph. Eur. 2.6.21) | March-April 2025 | 
| PTS263 | Immunoglobulin – protein composition (Ph. Eur. 2.2.31) | Q3 2025, to be confirmed | 
| PTS264 | Seasonal inactivated influenza vaccine potency – HA content (Ph. Eur. 2.7.1) | Q4 2025, | 
