UNE-EN ISO 787-24:1996 GENERAL METHODS OF TEST 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).
1996UNE-EN ISO 787-24:1996 GENERAL METHODS OF TEST 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).