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SRPS EN ISO 787-23:2010

General method of tests for pigments and extenders - Part 23: Determination of density (using a centrifuge to remove entrained air) (ISO 787-23:1979)

Jun 30, 2010

General information

90.93     Dec 7, 2007

90.00    Dec 7, 2012

ISS

H035

European Norm

87.060.10  

English  

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Scope

Displacement liquids of known density should be selected in which the material to be tested is insoluble, and which has good wetting properties and a low evaporation rate under vacuum. High-boiling aromatic or aliphatic hydrocarbons are suitable. The temperature, t, at which the determination is carried out affects the density of the displacement liquid; each weighing should be made at a constant temperature. The principle consists in weighing into a tared tube a quantity of a dried sample, wetting it with displacement liquid, centrifuging until the occluded air is removed and calculation of the density from the difference of masses.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS H.C8.223:1989

NOW

PUBLISHED
SRPS EN ISO 787-23:2010
90.93 Standard confirmed
Dec 7, 2007

Related project

Adopted from EN ISO 787-23:1995

Adopted from ISO 787-23:1979