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(Polyethylene glycol 8000, powder NF)
HYDRANAL™ Laboratory Report L 633 Rev. 1
This pharmaceutical sample does not dissolve easily in the alcohol-based media of KF titration. To ensure that it dissolves completely, it is recommended that xylene is added.
We found 0.28% H2O.
Procedure for volumetric one-component titration:
Add 20 mL Hydranal-Methanol dry or Hydranal-Methanol Rapid and 20 mL Hydranal-Xylene to the titration vessel and titrate to dryness using Hydranal-Composite 5. Accurately weigh-in by difference approximately 2 g of the sample and titrate the water content with Hydranal-Composite 5.
Procedure for volumetric two-component titration:
Add 20 mL Hydranal-Solvent and 20 mL Hydranal- Xylene to the titration vessel and titrate to dryness using Hydranal-Titrant 5. Accurately weigh-in by difference approximately 2 g of the sample and titrate the water content with Hydranal-Titrant 5.
Hydranal-Water Standard 10.0, Hydranal-Water Standard 1.0, and Hydranal-Standard Sodium Tartrate Dihydrate are suitable for determination of the titer or control of the volumetric determination.
Note: A Suitability test including protocol according to Ph. Eur. is available on request (email@example.com).