UNE-EN ISO 787-16:1996 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS. PART 16: DETERMINATION OF RELATIVE TINTING STRENGTH (OR EQUIVALENT COLOURING VALUE) AND COLOUR ON REDUCTION OF COLOURED PIGMENTS. VISUAL COMPARISON METHOD. (ISO 787-16:1986).
1996UNE-EN ISO 787-16:1996 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS. PART 16: DETERMINATION OF RELATIVE TINTING STRENGTH (OR EQUIVALENT COLOURING VALUE) AND COLOUR ON REDUCTION OF COLOURED PIGMENTS. VISUAL COMPARISON METHOD. (ISO 787-16:1986).