ISO 3963:1977 Preview
Fertilizers -- Sampling from a conveyor by stopping the belt
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
The method should be used only where other methods, such as automatic sampling of scoop sampling from a free fall, are impossible, or as a reference method.It consists in inserting of two parallel boards or metal sheets vertically down into and at right angles to the streams of the material and to the axis of the stopped belt, and removing of the material between the boards or sheets.
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