You are invited to complete and submit the following questionnaire to register for the 2026 Physico Chemical Proficiency Testing Studies and to provide the relevant delivery and invoicing information.
Please note that participation is subject to confirmation from the study organisers. For any questions, please contact PTS_OMCL@edqm.eu.
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PTS
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Date of shipment
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Dispatch conditions
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PTS265
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Appearance of solution (Ph. Eur. 2.2.1 Clarity and degree of
opalescence of liquids, Ph. Eur. 2.2.2 Degree of coloration of liquids)
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Mid February 2026
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Ambient
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PTS266
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Disintegration of tablets (Ph. Eur. 2.9.1)
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End April 2026
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Ambient
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PTS267
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Infrared absorption spectrophotometry (Ph. Eur. 2.2.24)
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End June 2026
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Ambient
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PTS268
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Potentiometric titration (Ph. Eur. 2.2.20)
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End September 2026
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Ambient
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PTS269
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Liquid chromatography (Ph. Eur. 2.2.29 - Details to follow)
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End November 2026
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Ambient
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