Instant coffee. Determination of moisture content. Karl Fischer method (Reference method)

Instant coffee. Determination of moisture content. Karl Fischer method (Reference method)

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BS ISO 20938:2008 Instant coffee. Determination of moisture content. Karl Fischer method (Reference method)

BS ISO 20938 specifies a method for the determination of moisture content in instant coffee by the Karl Fischer titration method, suitable for use as a reference method.

Contents of BS ISO 20938:

  • Scope
  • Normative references
  • Terms and definitions
  • Principle
  • Reagents and materials
  • Apparatus
  • Sampling
  • Preparative steps
  • Procedure with instant coffee
  • Expression of results
  • Precision
  • Test report
  • Results of interlaboratory test
  • Titration curve diagram
  • Bibliography