ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definitions
ISO 5725-2 Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method*, 2019-12-06 Update
ISO 5725-6 Accuracy (trueness and precision) of measurement methods and results - Part 6: Use in practice of accuracy values; Technical Corrigendum 1
BS EN ISO 21415-2:2015 history
2015BS EN ISO 21415-2:2015 Wheat and wheat flour. Gluten content. Determination of wet gluten and gluten index by mechanical means
2008BS EN ISO 21415-2:2008 Wheat and wheat flour. Gluten content. Determination of wet gluten by mechanical means
2007BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
1990BS 4317-25:1990 Methods of test for cereals and pulses - Determination of wet gluten content in wheat flour by mechanical means
1980BS 4317-12:1980 Methods of test for cereals and pulses - Determination of wet gluten in wheat flour