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ISO 8460:1987
Instant coffee -- Determination of free-flow and compacted bulk densities
The principle of the determination of the fee-flow bulk density consists in pouring a sample through a specified funnel into a specified receptacle of known volume and weighing the contents of the receptacle. In order to determine the compacted bulk density a volume of a given mass of the product shall be measured after a fixed number of taps (usually 300) in a tapping volumeter. Three figures show suitable apparatus.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]