Verkkokauppa
SFS-EN ISO 787-24:en
General method of tests for pigments and extenders. Part 24: Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments. Photometric methods (ISO 787-24:1985)
Soveltamisala
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The method specified provide an instrumental alternative to those described in ISO 787/16 and ISO 787/17. Equal masses of a coloured material are separately dispersed in the same mass of the same white pigment paste. The reflectivity of each dispersion is measured photometrically. From the corresponding values of K/S the relative tinting strength is given. For measurement of the relative scattering power equal masses of a white test material and an agreed reference pigment are separately dispersed in the same mass of the same black pigment paste. The reflectivity of each dispersion is measured photometrically at 550 nm. From the corresponding values of K/S the relative scattering power is given.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
The method specified provide an instrumental alternative to those described in ISO 787/16 and ISO 787/17. Equal masses of a coloured material are separately dispersed in the same mass of the same white pigment paste. The reflectivity of each dispersion is measured photometrically. From the corresponding values of K/S the relative tinting strength is given. For measurement of the relative scattering power equal masses of a white test material and an agreed reference pigment are separately dispersed in the same mass of the same black pigment paste. The reflectivity of each dispersion is measured photometrically at 550 nm. From the corresponding values of K/S the relative scattering power is given.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
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Tekninen komitea
Vahvistuspäivä
12.02.1996
Julkaisupäivä
28.03.2014
Painos
1
Sivumäärä
15
Julkaisun kieli
englanti