BS EN ISO 787-24:1988
General methods of test for pigments and extenders - Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments - Photometric methods

Standard No.

BS EN ISO 787-24:1988

Release Date

1988

Published By

British Standards Institution (BSI)

Status

Be replaced

Replace By

BS EN ISO 787-24:1995

Latest

BS EN ISO 787-24:1995(2000)

Scope

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.

BS EN ISO 787-24:1988 history

• 0000 BS EN ISO 787-24:1995(2000)
• 1995 BS EN ISO 787-24:1995 General methods of test for pigments and extenders. Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments. Photometric methods
• 1988 BS EN ISO 787-24:1988 General methods of test for pigments and extenders - Determination of relative tinting strength of coloured pigments and relative scattering power of white pigments - Photometric methods