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Status : Active
Standard Type : Main
Document No : ISO 4324 : 1977
Document Year : 1977
Pages : 3
Edition : 1
Section Volume : Surface active agents (ISO/TC 91.)
The measurement is carried out in the following way: Determination of the base angle of the cone obtained by passing a given volume of the product in the form of powder or granules through a special funnel placed at a fixed height above a completely flat and level plate. The method is also applicable to other powders and granules with comparable properties.