List of Proficiency Testing Scheme (PTS) Studies planned for 2026
PHYSICO-CHEMICAL STUDIES
| PTS265 |
Appearance of solution (Visual methods - Ph. Eur. 2.2.1 Clarity and degree of opalescence of liquids, Ph. Eur. 2.2.2 Degree of coloration of liquids) |
Mid-February 2026 |
| PTS266 | Disintegration of tablets (Ph. Eur. 2.9.1) | End April 2026 |
| PTS267 | Infrared absorption spectrophotometry (Ph. Eur. 2.2.24) | End June 2026 |
| PTS268 | Potentiometric titration (Ph. Eur. 2.2.20) | End of September 2026 |
| PTS269 | Liquid chromatography (Ph. Eur. 2.2.29 - details to follow) | End of November 2026 |
BIOLOGICAL STUDIES
| PTS270 |
HCV NAT (Ph. Eur. 2.6.21) |
Mid-March 2026 |
| PTS271 | B19 NAT (Ph. Eur. 2.6.21) | Mid-March 2026 |
| PTS272 | HAV NAT (Ph. Eur. 2.6.21) | Mid-March 2026 |
| PTS273 | Measles, mumps and rubella vaccine potency assay | End of September 2026 |
| PTS274 | Bacterial endotoxins - blood product samples (Ph. Eur. 2.6.14) | End of November 2026 |