ISO 6889:1986
p
ISO 6889:1986
13412

Abstract

 Preview

The determination is carried out in the following way: Measurement of the maximum force which can be exerted before the film breaks, the force being exerted vertically on a stirrup or ring, in contact with he interfacial liquid film between two immiscible liquid phases placed in a measuring cup, in order to draw up the interfacial film. The force must pass through a maximum, otherwise the measurement is not valid.


General information 

  •  :  Published
     : 1986-03
  •  : 2
     : 10
  •  : ISO/TC 91 Surface active agents
  •  :
    71.100.40 Surface active agents

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