Standardization of a KF reagent is necessary to determine its water equivalency. GFS is the primary manufacturer of a broad range of reference materials, all made in-house at our Columbus, Ohio facilities. The (liquid) water standards are delivered in boxes of 10 single-use ampoules with a shelf life of over 5 years. Watermark water standards are methanol-free and can be used for all applications. All standards come with a certificate of analysis. Watermark water standards are perfect tool to assist you in validation a new process as well as your titrator to meet GMP, ISO or other guidelines within your organization. Compare them to pure water and see the increased reproducibility they can provide.
Application: For Laboratory Reagent For Water Determination Using the Karl Fischer Method