Water Standards

Ordering Information

Standards are necessary to standardize and control reagents, check the reliability of titrations and test instruments according to the requirements of ISO 9000, GMP, GLP and FDA guidelines.

ISO 9001 requires: "The supplier shall control, calibrate ... measuring and test equipment ... to demonstrate the conformance". Karl Fischer titrators are such instruments and must be controlled on a regular basis. It is part of a quality assurance system.

The HYDRANAL®-Water Standards are standards for volumetric or coulometric determinations. They are delivered with a "Certificate of Analysis" giving the actual water content. The liquid standards are packaged in glass ampoules under argon. A box contains 10 ampoules. Each ampoule is designed for one use. The shelf life is more than 5 years.

Advantages of Hydranal Water Standards
  • Packaged in glass ampoules under argon
  • Each ampoule only for one use
  • Contains instruction for use according to guide lines like ISO 9001
  • Manufactured by a company certified ISO 9001
  • Certificate/Report of Analysis enclosed in each pack
  • Tested against NIST SRM 2890

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Water Standard for Coulometric Karl Fischer Titration

34446 Hydranal Water Standard 0.1 PC (Water Content 0.1 mg/g)

  • Standard for testing reliability of coulometric KF analyses
  • Box with 10 glass ampoules of 4 mL
  • Filled under argon, stable at room temperature
  • Instructions for use and Report of Analysis enclosed in each box
  • Tested under ISO 17025 accreditation
  • Suitable for water addition in suitability testing according to Ph.Eur.

Information regarding 34847 HYDRANAL Water Standard 0.1
Change of shelf-life time and storage temperature (PDF 25 KB)

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