We are the market leaders in automated pKa, logP/D and solubility measurement.
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At Sirius Analytical we design and manufacture highly automated instruments to measure physicochemical parameters - pKa, logP & logD, solubility and dissolution, and we also operate as a CRO providing a wide range of physical chemistry analytical services.

Our new SiriusT3 instrument offers automated measurement of pKa, logP, logD and solubility using sub-mg quantities of material on a single integrated hardware platform.

We are the exclusive distributors of the Kibron Delta-8 Instrument for surface activity profiling and phospholipidosis risk prediction in UK, USA and Canada.

Go to our Science pages to learn more about the parameters we measure and their importance. Check our literature to see how the data we generate helps pharmaceutical scientists make decisions during drug candidate selection and development.

Our team of scientists are at the forefront of research into physicochemical measurements, and we strive to push the boundaries of the field through our publications and collaborations across industry and academia.

For automatic pH measurement, we make GLpH, a unique automated pH meter with automatic calibration and Vinotrate, an automatic titrator for wine laboratories with a host of innovative features to improve accuracy and reliability.

New Scientific Paper Published

07.12.09

New paper from Sirius explains how our solubility measurements work, and introduces new methods for evaluating supersaturation.

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New Scientific Paper Published

01.07.10

New paper - Study of pH-dependent solubility of organic bases. Revisit of Henderson-Hasselbalch relationship.

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ACS Fall 2010 National Meeting, Boston

22.08.10

Sirius will exhibit at this meeting.

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Physchem Forum 9, Barcelona

17.09.10

Sirius will exhibit at and sponsor the next Physchem Forum meeting in Barcelona

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