This International Standard specifies a method for the determination of potassium hydroxide soluble proteins in soybean meal, rapeseed meal and sunflower seed meal, which are subsequently assayed by applying the Kjeldahl method specified in ISO 5983-1 and ISO 5983-2.
EN ISO 14244:2016 Referenced Document
ASTM D4447-15 Standard Guide for Disposal of Laboratory Chemicals and Samples*， 2024-04-20 Update
ISO 5502:1992 Oilseed residues; preparation of test samples
ISO 565:1990 Test sieves; metal wire cloth, perforated metal plate and electroformed sheet; nominal sizes of openings
ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definitions
ISO 5725-2:1994 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
ISO 5983-1:2005 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 1: Kjeldahl method
ISO 5983-2:2009 Animal feeding stuffs - Determination of nitrogen content and calculation of crude protein content - Part 2: Block digestion and steam distillation method
EN ISO 14244:2016 history
2016EN ISO 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution