BS ISO 20938:2008

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