This part of ISO 7971 specifies the reference method for the determination of bulk density, called "mass per hectolitre", of cereals.
NOTE Several routine methods are used in different countries. A routine method for the determination of bulk density, called "mass per hectolitre" utilizing a 1 litre measuring container is given in ISO 7971-2 .
ISO 7971-1:2003 history
2009ISO 7971-1:2009 Cereals - Determination of bulk density, called mass per hectolitre - Part 1: Reference method
2003ISO 7971-1:2003 Cereals - Determination of bulk density, called "mass per hectolitre" - Part 1: Reference method