BS EN ISO 787-25:1994
General methods of test for pigments and extenders - Comparison of the colour, in full-shade systems, of white, black and coloured pigments - Colorimetric method

Standard No.

BS EN ISO 787-25:1994

Release Date

1994

Published By

British Standards Institution (BSI)

Status

Be replaced

Replace By

BS EN ISO 787-25:2019

Latest

BS EN ISO 787-25:2019

Replace

91/57132 DC:1991

Scope

The principle of the method specified is dispersing the test pigment and an agreed reference pigment in a particular test medium (mixture of an alkyd resin and fumed silica), preparing specimens on suitable substrates from the dispersions, measuring the tristimulus values of the specimens as described in ISO 7724-2, calculating the appropriate colour characteristics as described in ISO 7724-3.

BS EN ISO 787-25:1994 history

• 1970 BS EN ISO 787-25:2019 General methods of test for pigments and extenders. Comparison of the colour, in full-shade systems, of white, black and coloured pigments. Colorimetric method
• 1994 BS EN ISO 787-25:1994 General methods of test for pigments and extenders - Comparison of the colour, in full-shade systems, of white, black and coloured pigments - Colorimetric method