ISO 5529:2007 describes a method, known as the Zeleny sedimentation test, for assessing one of the factors determining the quality of wheat as a means of predicting the baking strength of the flour which can be made from it. The method is applicable only to Triticum aestivum L. wheat.
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 Reagents for the sedimentation test
5.2 Preparation of the solutions
6 Apparatus
6.3 Laboratory sample divider.
6.13 Stopwatch.
7 Sampling
8 Preparation of the test flour
9 Procedure
9.1 Test portion
9.2 Determination
10 Expression of results
11 Precision
11.1 Interlaboratory test
11.2 Repeatability limit
11.3 Reproducibility limit
11.4 Critical difference
12 Test report
Annex A Sample grinding and sieving conditions according to the different types of mills (normative)
Annex B Interlaboratory test results (informative)
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods
ISO 565:1990 Test sieves -- Metal wire cloth, perforated metal plate and electroformed sheet -- Nominal sizes of openings
ISO 648:2008 Laboratory glassware -- Single-volume pipettes
ISO 3696:1987 Water for analytical laboratory use -- Specification and test methods
ISO 565:1990 Test sieves -- Metal wire cloth, perforated metal plate and electroformed sheet -- Nominal sizes of openings
ISO 648:2008 Laboratory glassware -- Single-volume pipettes