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sklademVydáno: 2010-01-31
BS EN ISO 3093:2009
Wheat, rye and their flours, durum wheat and durum wheat semolina. Determination of the falling number according to Hagberg-Perten
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| Označení normy: | BS EN ISO 3093:2009 |
| Počet stran: | 20 |
| Vydáno: | 2010-01-31 |
| ISBN: | 978 0 580 67548 5 |
| Status: | Standard |
Popis
BS EN ISO 3093:2009
This standard BS EN ISO 3093:2009 Wheat, rye and their flours, durum wheat and durum wheat semolina. Determination of the falling number according to Hagberg-Perten is classified in these ICS categories:
- 67.060 Cereals, pulses and derived products
This International Standard specifies the determination of the α-amylase activity of cereals by the falling number (FN) method according to Hagberg-Perten.
This method is applicable to cereal grains, in particular to wheat and rye and their flours, durum wheat and its semolina.
This method is not applicable to the determination of low levels of α-amylase activity.
By converting the FN into a liquefaction number (LN), it is possible to use this method to estimate the composition of mixtures of grain, flour or semolina with known FNs necessary to produce a sample of a required FN.