Plastics (polyester resins) and paints varnishes (binders) - Determination of partial acid value and total acid value (ISO 2114:2000); German version EN ISO 2114:2000— 12 стр.
Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission; German version EN 1557:1996— 7 стр.