Norm

NEN-ISO 3093:2004 en

Tarwe, rogge en respectieve meelsoorten, harde tarwe en harde tarwegries - Bepaling van het valgetal volgens Hagberg-Perten

  • Deze norm is ingetrokken sinds 28-02-2007

73,12

Over deze norm

Status Ingetrokken
Aantal pagina's 13
Commissie Beleidscommissie Landbouw & Levensmiddelen
Gepubliceerd op 01-08-2004
Taal Engels
This International Standard describes the determination of the a-amylase activity of cereals by the Falling Number method according to Hagberg-Perten. This method is applicable to cereal grains, in particular to wheat and rye and their respective flours, durum wheat and its semolina. For the purposes of this International Standard the term "flour" includes semolina and ground grain (wholemeal), the particle sizes of which are defined. This method is not applicable for the determination of low levels of a-amylase activity, which can be carried out in accordance with ISO 7973. By converting the Falling Number 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 Falling Number values necessary to produce a sample of a required Falling Number.

Details

ICS-code 67.060
Nederlandse titel Tarwe, rogge en respectieve meelsoorten, harde tarwe en harde tarwegries - Bepaling van het valgetal volgens Hagberg-Perten
Engelse titel Wheat, rye and respective flours, durum wheat and durum wheat semolina - Determination of the Falling Number according to Hagberg-Perten
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