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Photostability

We offer the test for photostability

In addition to our comprehensive services regarding stability testing and storage, we offer the test for photostability according to guideline ICH Q1B "Stability Testing: Photostability Testing of New Drug Substances and Products".

Equipment, Methods, Procedures

Equipment

  • Temperature and Moisture-Regulated Photostability Cabinet

  • The Endpoint Detection is Performed with Calibrated Sensors

We analyze

  • Drugs 

  • Finished Pharmaceutical Preparations 

  • Primary Packed Products 

  • Cosmetics 

Analysis

  • Analysis of the Unexposed and the Exposed Sample 

  • Analysis of Reference Samples 

  • Determination the Physical Properties 

  • Assay 

  • Detection and Analysis of Degradation Products 

  • Dissolution 

The light intensity and temperature during the tests are measured on the surface of the sample. 

Dose

  • UV (300-400 nm): At least 100 Wh/m² 

  • VIS (400-800 nm): At least 1.2 million lx 
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